Mercury sport jet 90 no spark

I watched to guy i bought it ffrom spray starting fluid in the carbs to get it to start. Mechanic's Assistant: Is there anything else the Boat Mechanic should know before I connect you? Rest assured that they'll be able to help you. The Engine is out of the boat so it'll be easier to test and run. 3 things make the boat fast. wakewedge. ] 1. I have seen other posts that had the same problem. View parts diagrams and shop online for ELECTRICAL COMPONENTS (IGNITION COIL) parts, 1997 Sport Jet 175 [XR2] 1175J01TD. Jet Pump Sport Jet Installation Page Numbering Two number groups appear at the bottom of each page. timing check update. You can check ebay for used copies, seach for "sport jet". I disconnected the black/yellow wire from the switch box - spark, connect it back- no spark. 5. 1 ufd rated at 400V. I have replaced the plugs, starter, solenoid, stator, trigger and NO spark. coil #3 is timed with cylinder number one. <br />P. #20. there is visual Jun 10, 2008 · Re: Sport Jet 90 no spark replace the rectifier, when it goes bad it destroys the power pack,, if you put on a new power pack and not the rectifier, the power pack will work the first time and as soon as you turn off the engine it will blow the new pack,, the charge windings are too close to the ignition windings,, a bad rectifier will allow ac current to create a spike or bastard field in the Jun 8, 2001 · Messages. Recently power has dropped off and Aug 16, 2002 · Aug 18, 2002. Thanks for all your help fellas. No spark! I’ve tested and replaced just about every electrical component on my boat and still no spark. #2. [He found the Mercury Sport Jet 175-HP] was not getting spark. I have a Mecruiser sport jet 120 engine in my Seayrayder. sport jet 90 incl. But the motor seems to be running hot. Inspect condition of starter motor. Jan 22, 2002 · I've got no spark and the sealed 'black box' has been blamed. 95 shipping available. ---NO GO! Jul 21, 2012 · Re: 175 XR2 Sportjet, no spark 3 cylinders. I have a 1988 15HP Mariner outboard (OC115390) that gets spark to one plug but not the other. These boats will only get about 30-35 mph. Remove spark plug leads from spark plugs, re- move spark plugs. 2 to 0. Tried to start it up 2 weeks later and nothing!! It will crank all day, just wont fire. DONT THINK I MISSED ANY 2. My SJ90 will start fine initially, then after running and being turned off it has difficulty cranking (ie slow and jerky). still no spark. #39. The regulator tests open circuit. I looked up under the flywheel at the stator and it is the red one, so it must of been replaced May 15, 2001 · May 16, 2001. 1 cylinder (top cylinder, starboard bank). I am not getting spark on the bottom cylinder. test all the trigger and switchbox inputs Aug 31, 2012 · Re: 1993 Sportjet 90hp- No Spark. But I possibly have a few more problems. 1994 sport jet 90hp has a cdm conv. S. In fairness, I think boat design contributed to the problem. surf Dealer for: FatSac Contact me for pricing or custom bags 2017 242X , (2 ) Polk 4000. Because there’s no lower unit extending below the hull, they can get you over obstacles to places where other boaters in propeller-driven boats can’t or aren’t willing to go. #4. Just recently acquired a 1994 Donzi 152 Medallion with the sport jet 90 Mercury. Tape back the black/yellow lead. He also installed a new CDI box but some of the wires aren’t connected and are simply hanging there. I took the boat home and removed the flywheel. Jan 30, 2012 · Bought a 94 Sea Rayder w/ a Mercury Sport Jet 90. I recently bought a 93 SeaRayder with a Sport Jet 90 engine for cheap money (I know, I know,lol). 55117. Sport jet 90 ultranautics13. Jun 29, 2006 · This is my first time to this forum I hope somebody can help me. The boat has sat for the past 5 or so years. If the flotation is water logged it will be less. May 29, 2024 · These Mercury 90HP Sport Jet Drive spark plugs were made specifically to Revamp HP, Crank Up economy and improve their service life; there is simply no spark plug to compare its state of the art design to. Boat and trailer are in excellent shape inside and out. No spark: continue with next step. 2D-2 ELECTRICAL AND IGNITION 90-831996R1 JUNE 1996. If you have a question, start a new thread of your own. First, this is my first postthank you all for the help so far posting/responding with your knowledge on the Sport Jet's. Had same problem. Is the Stator, Trigger, Switch Aug 14, 2018 · Hey guys! I have a fairly straight forward diagnosing process for diagnosing the no spark on these switch box years of Mercury. 4. Jun 25, 2014 · Simply fouled? The spark is not as hot as it should be, even though it looks good? Wouldn't a longer term fix be to replace the plugs. Experience: Over 18 years experience in the water sports repair industry. 1997-2006, which replaces OEM Part #14103568. you will look for chargecoil voltage in and pirmary, about 100VDC, out to the switch box. <br /><br />Ken Sep 18, 2012 · The stator resistance test shows low resistance across the yellow leads (0. Ended up getting new wires and plugs. V6 240 EFI No Spark. If enough corrosion built up it is possible that contact of the flywheel and the stator may hve shorted it out. net. but my problem is now i have tried many things even as far as buying another used ignition everything but the stator. Jul 18, 2010 · Hi, i just recently bought a dynasty jet storm. Gennis G May 21, 2007 · Re: Mercury Sportjet 90 rebuild or replace? This boat really isnt a PWC, it is a Mercury outboard engine mounted to a jet drive. The guy I bought it from hooked the water up to the flush kit on top the motor by the thermostat to run when I bought it. Re-test for spark. im thinking that it might be the stator or trigger , would appreciate any help you can provide michael d mc nally Feb 7, 2012 · Just bought a 94 sea rayder. [The Mercury Sport Jet 175-HP XR2] would turn over like it's supposed to, but would not start. 5 ft. The other two are getting great spark. Then no spark #1 and #4 - trigger had bad wires. Here's the down side Engine (Sport Jet 90) turns over fine with good compression, but no spark on any of the 3 cylinders. Jul 16, 2002 · Messages. Jet sport mercury sea engine sportjet fuel rayder marine boat parts 1994 bottom coming pump diagram part too there drive 1994 mercury sport jet 90 page: 1 90 mercury cdi jet electronics sport sportjet stator wire merc marine red adapter updating trigger spark boat had wires. 3 ohms below spec). 1-D. Answered in 59 minutes by: Marine Mechanic: Scott Martin. Ohm the stator . If safety lanyard is NOT in place, spark plugs will not fire. DO NOT start that motor on the trailer without the dealer flush kit. the stator is the normal culprit,especially if its still Jul 20, 2010 · Re: Will a 1993 Sport Jet 90 motor adapt to a 1997 Jet Drive (F16)? Im facing the same issue. Scott Martin, Marine Mechanic. Trying to install a 98 mercury force outboard inside a 90 sport jet drive. Marine Mechanic: Jeremy R. followed the instructions carefully. 4 stator outputs 46 VAC on my fluke meter(I Jul 25, 2011 · When the switch is closed (shorted to ground), spark is disabled. Here’s what I’ve tried so far. The stop circuits consist of the emergency stop switch and key switch. Is there a common cause on these motors to do this. overall i am not doing too bad on the purchase but i am worried about the spark issue. If there is a stop switch by pass temporarily Mar 27, 2014 · Learn how to troubleshoot and fix a Mercury 90 outboard with no spark. May 23, 2010. 1) What is the resistance supposed to be between the two yellow wires from the stator and from each Jul 17, 2020 · Back in the 90's Mercury sold a kit to upgrade from the CDI to the CDM 95XR specifications, It included all of the wiring harness and mounting plate, trigger coil and a new flywheel with the different magnet setup as the old system has push-pull coils and the new one has single ended. Check spark - none. "Don, unfortunately you have one of the Sports Jet with the faulty stator/rectifier assy. An inline spark plug testser (about $5) is so much cheaper than the injury you can sustain from 50KV jolt. Good luck. 2. 1 Weak battery or bad starter motor, battery voltage drops below 8 volts while cranking. Jul 5, 2005 · 1. the yellow with black is choke/enrichment. can please let me know what I need just tell me the number in the left please. Offering discount prices on OEM parts for over 50 years. (none) 5. Jun 12, 2008 · Re: NO SPARK Sea Rayder Mercury Sport Jet 90 hi i recently purchased a sea rayder 14 with sportjet 90 also no spark i bought the boat for 500 as is and have had to rebuild the starter and purchase a new battery. <br /> a lean out in the exhaust can blow the plate gasket if the wrong flusher is used. You need part numbers FK10323 and part number FK10357. Specifications Questions (0) Aug 14, 2022 · It has the 2-stroke 1998 Mercury Sport Jet 175. Firt 6 or so trips out on the water proved enjoyable, had top speed in low 30's. 00 - eBay and Amazon. While the engine was turning, it started shedding the flywheel magnets. The Sport Jet 90s are Force powerheads with Mercury ignition. well i thought no big deal, he just doesnt know how to choke it, or its just been sitting all off season. I recently became the second owner of a Alumaweld 17’ stryker with a sport jet 120. I do not believe I have any spark but how do I I could not get [Mercury Sport Jet 175-HP XR2] to start. You can get a manual right here on iboats. Nov 10, 2004 · Re: NO SPARK ON FORCE 90 HP hello<br /> the kill wire is blk/yellow stripe. 12. Mar 29, 2021 · This 45 hp Mercury lost spark on all four cylinders. #18. Prior to that, I had no issues whatsoever with this boat firing right up. trailer and boat90 hp mercury sport jet for sale| 103 ads for used 90 hp mercury sport jets. Champion QL76V plug. New stator, new flywheel, new crank sensor, new rev limiter, new regulator, new ignition switch, new have a 95 jet boat,powered by a mercury 120xr oil inj. Jul 16, 2013 · I'm just about at my wit's end with this thing. Re: sport jet 90 timing problem. Re: Sport Jet 90 Will not plane and has no speed, HELP! Solution: I own a sportjet 120. 1996 Mercury SportJet 90hp. The new 95XR flywheel will not fit the early crankshaft as . It just died and has no spark. Nov 4, 2012 · Nov 5, 2012. They were big failures with that motor. Here is the guts of the Mercury CDI unit. set the tdc on all 3 cylinders. 2 to fire a CDI system. Looked it over and found a plug wire broke, then others weren't clipped on right. Check battery voltage , You need at least 10. 90-826148R1 MAY 1994 4A-7 Revision No. If all cylinders spark, replace rev limiter. Ok here's some results. I end up using starting fluid. Sep 25, 2021 · Great replies from forum. boats. 91-850439) to engine. I have not tested the switch box or rev limiter. To make one all you need is a diode (IN4005, Radio Shack 275-1104 works) with a rating of 400 Volts and a capacitor . Jun 6, 2010. Check coils for spark. CDM conversion kit (new). It is from 1991. 6. Two of the three coils test very high resistance and the third slightly above spec. Jul 5, 2005. Essentially thats a 2. Required quantity shown is the quantity used per assembly. Help! I have a sport jet 90 that was running fine until starting it one day at the boat ramp. The pump was in great shape, so knew it wasn’t binding. 25. i already have 3 16 amp red stators all 3 ohm test fine right around 650 to 680 on This listing is about one (1) NGK Spark Plug for MERCURY 175 HP inboard engine Sportjet 175XR, yr. Our Brisk Mercury 90HP Sport Jet Drive plugs use innovative multi-spark 360-degree technology to Advance Power and mid-range torque. 3. The lower cylinder has no spark,i swaped the coils around to so if it were a coil issue but still no spark at the bottom. kit part #835084A1 , No spark. I disconected the black / yellow wire from the rev limiter and now I'm getting spark but the engine doesnt seem like it wants to start. Jul 15, 2002. On the k-ohms setting these wires measured . [Connect Spark Gap Tester (91-63998A1) between coil high voltage tower and spark plug. Parts for the repair of Mercury Sport Jet applications. I have a 1993 force 90. It has not run sence I bought it, it was very wet with some water in the cylender. Feel free to reference old threads, just start your own with your question. If Steps 1-A and 1-B check OK, replace spark plugs. Oct 4, 2018 · I just purchased a 16' Dynasty Jet Storm for $400 including the trailer. Runs good for two weekends and last week after work on a small fuel leak (carburetor hose), don?t start anymore. I recently bought a 1994 sea rayder. They seem to be one of the mo May 10, 2020 · May 10, 2020. 1 Month of Printing Year of Printing Section Description Section Number Part of Section Letter Page Number EXAMPLE: POWER HEAD Apr 18, 2023 · Mercury sport jet 90: wiring & parts diagramsMercury wiring outboard hp diagram 115 trim 1987 v6 150 200 tilt marine merc motor wire diagrams 1979 boat engine 1977 mercury 850 outboard wiring diagramJet sport mercury 175 diagram wiring xr2 2005 ignition tracker sportjet 1997 marine hey drawing. Check ground wires as well, especially the ones for the coils. Watch the video and follow the steps. Not firmiliar with the 90 HP some are removable and are somewhere on the motor and need to be installed. Mar 19, 2010 · I have a 90 hp jet sport in a sea raider. No spark. 1 piston is at top dead center (TDC). Re: Merc SportJet 175 won't fire. Attach tester leads to corresponding spark plug leads. It has been upgraded with the "red " stator, im getting the proper readings from the stator and the trigger, i have unhooked the black/yellow wire and still have no spark. It cranked but would not fire on at the launch the last time out. The guy I bought it from took apart the wiring in the dashboard and ignition switch so I am unsure what wires are supposed to connect where. After matching the wires exactly to the old trigger, the brown wire and the white wire were reverse on the new trigger. I just bought the boat, the guy I bought it from told me it just What you would need to do next is rule out the stop circuits. #3. The flywheel magnets were all missing except for one (they appeared to be glued-on). If no spark or weak spark, COIL is bad. View parts diagrams and shop online for CDM CONV KIT (835084A1) COMPONENT PARTS parts, 1993 Sport Jet 90 H090J00NX. kit part #835084A1, No spark. Hi all and thanks much in advance for any input. <br /><br />If it doesnt have spark, check on my home page (icon above) for diagnostics. Then fuel issues - float stuck and high pressure fuel pump bad. 5 liter 225 HP pro max powerhead on a jet drive unit. I connected it back and disconnected the black/yellow wire from the other side of the rev limiter-spark. Isolate the stop circuit by Apr 7, 2012 · Jun 27, 2012. would not start in the spring, no spark at all at the plugs, was suggested that it was the switch box but i dont think that there is one on this model. Got the motor to start, idle throttle up on hose, but once put into the water, it would stall and not start back up. If problem still is evident after replacing spark plugs, proceed with Step 1-D. Nov 5, 2010 · some of this parts are obsolete do I need evry part from the webside www. Drained fuel tank, added fresh gas and cranked again but only ran a few minutes and died. Three cylinders on the same bank I'd be looking at a switch box. #42. If the stator is that bad check the magnets on the flywheel too. "Don, unfortunately you have o. Attach spark tester (Special Tool No. Go Where Others Won’t. I don't think this move all spark plugs from engine to prevent engine from starting. It had no spark. I'd check the fuel pump flow- these diaphragms are known for failing. Jul 27, 2008. Aug 14, 2010 · I have a 94 sportjet 90 w/no spark. Jul 23, 2004 · Re: mercury sport jet Dont know about the 86 Force fitting. New to me. Set dial indicator at “O” (zero) and tighten indicator set Jul 29, 2016 · I have a Sea Rayer with a merc/force sport jet 90. I have gone through the forums and found some interesting information but not sure if my particular problem has been addressed. Re: Merc. Jan 13, 2019 · I am trying to fix no spark issue on a 1995 sea rayder with 90 hp sport jet, have replaced the stator, trigger and switch box. Recently, I got a 2000 speedster 240 M2. In my opinion the spark is speratic and weak. I heard there were issues with the stators when these came out and there was a upgraded red stator for it. Price in Australia are shocking. First, make sure the clip for the emergency stop switch clip is actually in place. Disconnect the Black/Yellow wire from the switchbox and check for spark. #7. It has the red stator. Prices are based on a quantity of one and all items are sold individually. jakeesspoo said: I hope Im in the right forum for this question. Jun 24, 2001. To check the switchbox you can use a regular DVM plus a simple peak voltage adapter. Give it a check. 28244 2. Fixed wires now good on spark. the consumer flusher is not suitable for running the sportjet. Nov 3, 2012 · Re: 1994 dynasty jet storm 90hp mercury sport jet no spark there should be a pointer on the front of the motor probably near the starter. The compressions are good in the 130's but it will only run with new plugs for 20 seconds before a cylender drops out and its not always the same one. Turn flywheel in a clockwise direction until No. www. Re: sport jet 120 spark plug question. The last time when we brought it back in there was a bad miss. *. Apr 1, 2024 · Item description from the seller. Lead me in a direction that [will] help Fourstroke 90-115hp Command Thrust; Jet (25-80hp) Jet 65-80hp; To order a printed version of the Service Manual for your Mercury or MerCruiser® engine, 1. If you get to much electrical noise from them goto the. Jun 1, 2021 · Hello I have a 93 searay sea rayder with a mercury 90 sport jet. You can find more info on this engine under the Mercury forum. Mercury Sport Jet 90: Wiring & Parts Diagrams | Sea 1994 Mercury 90 hp Sport Jet, no spark to the plugs. ---ALL GROUNDS CHECK OK. Pretty boring 6 scr's 3 pulse transformers to isolate the trigger from the high voltage, 1. 4, JL Audio M600/1, Wetsounds SYN-DX-4, Ws-420 SQ, Wetsounds rev10's, (2) JL Audio M10IB, JL Audio MX650 (6), Wetsounds core 10 sound bar, Keel Guard, Wake Wedge, 6CW impellers, L13 pump cones, Port bag Jun 29, 2012 · Jun 24, 2012. #67. $79. when i bought the boat it had no spark seemed to be a easy fix as the ignition is very simple. Crank crank crank no pop at all. Jul 9, 2009. (ECM cuts out below 8volts) (Fuel pump requires 9volts) Replace/charge battery. Aug 16, 2017 · 50/50 Owner of Gantlin Products LLC. If spark is OK, proceed with Step 1-C. Jun 29, 2011 · Re: Mercury Sport Jet 90 - No Spark As an update, I believe that the problem is the rev limiter. 705k. 150. If I connect the green/yellow wire to each coil (one at a time)the plug sparks. I've got it home and ran the boat same place he hooked water source up. I swapped around the coils to see if it were a coil issue but still no spark on lower cylinder. 1995 mercury 90 Hp Dynasty jet sport. 3 it ran last year but not perfectly. Moisture trapped in the motor housing contributed to corrosion which is at the root of the problem. Check all grounds. I maen, they caused problems once, won't they do it again - especially after being super heated? On a similar note, worked on a buddys Toyota van, wouldn't start, good fuel, good spark on tester, no codes. Feb 7, 2022 · Mar 16, 2022. coil #2 was not in time, but close to cylinder number 2, and coil #1 was Jul 29, 2019 · I was recently given a 1993 sea rayder sport jet 90 hp. trailer and boat 13. I did purchase a manual (Clymer) but it does not seem to relate specifically to mine since some of the wire colors seem odd and according to it, I should have an extra, large red wire coming out of the voltage regulator (which I don't). , Producer of "The Wake Wedge" for Yamaha jet boats. Green/white to White/green , Post results. Found fuel pump for $32. The Stator was the culprit on my 175 SportJet. Jun 7, 2010 · Re: Regal Rush-Sport Jet 90 questions?? spark and starting out of water 1. 1-C. Jan 5, 2024 · Sea ray sea ray sea rayder f-16 mercury sportjet 120 hp jet boat 1995Buy fuel pump kit mercury sport jet 90 hp 95xr 120 hp & 120xr sport Jet mercury 120 sport engine a1eMercury jet wallbridge. I have this boat with a 120hp sport jet (mercury) inboard. Check Details. Shorted wires keep the capacitors from charging. Re: which spark plug for a sportjet 90 1994. He left. Jun 14, 2022 · Here’s my problem. I have the shop manual and have done several tests Oct 6, 2023 · To ensure your 1994 Baja Blast boat with the Mercury ProJet 90 outboard engine starts correctly, begin by reviewing the wiring diagram to identify proper wire connections. Nov 18, 2013 · 1,557. I went through it and cleaned carbs, oil injection, fuel Sep 17, 2006 · I have a soprtjet 90 motor that has zero spark. sport jet . Got the tach working it turns out that whoever installed the voltage regulator tossed away the y cable harness and only hooked up the single red wire. The motor crank, but not start at first. Looks like it was stored in a garage for many years. Re: Mercury Sport Jet 90 Engine Problem need advice. Did have it running out on the water when I first got it, both when I purchased it and after when I got it home. I've replaced the switch box, regulator, and all three coils. 1-clean propeller with no dings/work edges on blades make a MAJOR difference. Jul 27, 2008 · 17. Jun 6, 2010 · New member. But no spark on the top or bottom cylinder I live in Michigan and need someone that’s closer to my time zone May 24, 2010 · 32. such as a bad kill switch? Any ideas are appreciated. [ohms test in range] I disconnected the yellow leads to the rectifier and the black/yellow [hopefully kill switch out of the switch box 114-4953] and still NO spark [ i've seen this Mar 27, 2011 · Engine cranks but won’t start. Nov 18, 2013. Aug 2, 2011 · Aug 2, 2011. I have spark on the middle cylinder. Jun 29, 2012. ---I HAVE 12. Pull the fuel line where it enters the carbs and place it in a jar/bowl. there is a box located above the coils that i beleive is the issue for no spark. They rate those at the crank because the jet drives losses are so huge it would only be 150 HP at the jet nozzle and that sounds terrible. Nov 26, 2004. $5. First issue was kill safety switch for no spark for all cylinders. Category: Boat. So I spliced the two red wires together and my battery now charges and I got a working tach. 0 Lanyard stop switch in wrong position. Its blue and narrow. View parts diagrams and shop online for CARBURETOR parts, 1993 Sport Jet 90 H090J00NX. 5uf 400v storage capacitor a bunch of diodes for rectification and spike protection and resistors. 1 Month of Printing Year of Printing Section Description Section Number Part of Section Letter Page Number EXAMPLE: POWER HEAD Required quantity shown is the quantity used per assembly. The example below is self-explanatory. It's www. 2110-no-spark-sea-rayder-mercury-sport-jet-90 If Jeff Jun 30, 2021 · Jun 30, 2021. I have the Clymer manual for this engine and have some questions it doesnt answer. Apr 30, 2010 · Re: Sport Jet 120. Jul 8, 2012 · Sep 3, 2012. I first replaced the Rev limiter, that fixed the spark, then cleaned the vents running up the carbs and it started right up in just a few cranks. Those are listed as #31 and #32 respectively. Re: TESTING TRIGGER COIL 90 HP. I have installed a Mercury. Mercury 175 hp sport jet xr2 manualMercury sport jet 175 operating manual Jet sport mercuryMercury 40 hp fourstroke jet. It cranks over great but no fire at all. 1. Jul 28, 2008 · Re: 90 hp mercury sport jet, no spark and fuel spilling out carborators Wow, thanks everyone, that seemed to do it. Sep 3, 2012. Bogging after running and running at 3/4 sounds like not enough fuel flow. He said that when he launched it this season, that Dec 21, 2009 · 1994 sport jet 90hp has a cdm conv. TOP SELLING ITEMS FOR YOUR 1993 Sport Jet 90 [ H090J00NX ] View parts diagrams and shop online for H090J00NX : 1993 Sport Jet 90. You never know. Timing is OK, compression is OK, new carb inlet needles, floats OK. Nov 22, 2004 · Messages. They were covered under warranty a few years back, but have since become the owners responsibility, even though the manufacturer of the parts (not Merc) was at fault. The guy that I bought it from said that it ran great when he parked it at the end of last season. I just bought a 1994 sea rayder jet boat with the 3 cylinder mercury sportjet 90 in it. not on that model<br /> to test the module you will need a DVA type tester. Re: 1994 dynasty jet storm 90hp mercury sport jet no spark. Aug 27, 2002 · Guys,Have 94 Merc Sport Jet 90 SN# OEO43580(Force powerhead). Messages. Drove it from the marina to my place, took a half hour ride a little later then parked it on the lift. 11. Next, go to the outboard and disconnect the large round plug, this is where the engines harness meets the extension harness. Reset lanyard stop switch. Anyone know where I can get a 2nd hand unit or reasonable priced new one on line. it crank and ran until water in fuel tank got into carb's. I just made that simple thing take a spark plug (it's wet); crank just a little no spark at all on any spark plug. I suggest you repost in the Mercury forum. Jul 29, 2023 · 90 mercury cdi electronics jet sport sportjet stator wire merc marine red adapter updating trigger spark boat had wiresWiring diagram trike boom mercury vw diagrams outboard maxrules capri ignition pdf internal merc 1973 20hp carburetor marcury 1986 external Mercury outboard wiring diagrams -- mastertech marineWiring mercury diagram hp 1979 Feb 3, 2005 · Re: mercury 90hp sport jet ,loss of spark at plugs Check every connector in and around your motor for burnt wires and/ or burnt connectors. Move towershaft to wide open throttle position. This listing is about one (1) NGK Spark Plug for MERCURY 175 HP inboard engine Sportjet 175XR, yr. an easier way to test that system is with a CD-77 or equivalent meter. Remove all spark plugs and install Dial Indicator (91-58222A1 ) into No. 1-B. Aug 26, 2018 · I have a searay 1994 sport-jet 90. I just bought this a month ago . My 75 HP 3 cyl was completely without spark until I found burnt, shorted wiring. Once started it runs great. Jul 28, 2008 · I am having trouble getting spark in my regal rush with a 90 hp mercury sport jet engine. There is a green/yellow wire that goes from the switch box to one coil and a green/white wire that goes from the switch box to the other coil. Jun 4, 2010 · Hi,i just bought a 1994 Sea Ray jet boat with a mercury sport jet 90. Re: 1994 90hp Force No Spark. A boat mechanic saw that I was having [trouble starting the engine and] helped me. Different flywheel, different ignition system, different crankshaft spleen 13 vs 15. com. Sport Jet 90. FAST $4. I acquired a 95 Regal Rush XP with the Sport Jet 120 motor S#0E125353. Satisfied Customers: 167. Apr 7, 2012 · May 16, 2012. *. Oct 5, 2018 · Engine (Sport Jet 90) turns over fine with good compression, but no spark on any of the 3 cylinders. It's kind of a catch 22. Apr 7, 2012 · Apr 21, 2009. I would check these first. I have a 2004 Merc 240 EFI M2 Jetboat. 20,066. 99 Chrysler / Force 40-150hp, Sport Jet 90-120hp. 102. I recently purchased a 1996 Bayliner with a 120XR Sport Jet (s/n 0e189282). Spark Plug Wire, 7 inch - Mercury, Mariner. It fits and they are basically the same motors besides minor differences. Mercury Jet outboards are built capable enough to handle your endless drive for outdoor adventure. Inspect all wires for damage or corrosion, replace any compromised wires, and verify the spark plug wires are connected to the correct plugs according to the firing order. Sport Jet Models Only: Isolate the rev limiter by disconnecting the black/yellow lead to the rev lim-iter. Boy was I wrong tried everything I know, changed Jun 28, 2009 · Jun 21, 2009. Jun 19, 2002 · 3. #1. 46 VOLTS 3. Here's what I know: 1 updated stator(red) 2 trigger checks good per previous postings (arond 1250 ohms) for all three leads and common. Hi, Disconnect your main engine harness, jump your start solenoid check for spark, if spark you have a short in the engine harness going to the key switch. The owner wants it fixed and asked me to diagnose the problem and fix it. That is the standard plug. Jun 19, 2002. I have been reading about some problems here online and it sounds like a lot of the first generation stators go bad. Work in Sep 6, 2006 · Sep 20, 2006 #5. Pleas dont use your bare finder as a spark plug tester. Perhaps you missed the big red warning bar suggesting you start a new thread. sea rayder jet boat merc. si ti vx tm fa xm bv qd ms kx