Here is my story, just to tell you the near end of the story, The principal actorin this story is desperate at the moment!!!
TRX300FW 1997
Bought it the wire harness had been spread apart, the CDI was defective, the guy I bought it from had it sent to a friend that called him a mecanic but did just more trouble. All parts he put in were from different years and were not the identical. I did purchase a wiring harness, CDI, rectifire, diode, ignition coil and the fuse holder from an accidented 1997 fourtrax. It was fully functionnal before taking the part from it. installed all the parts on my fourtrax, did the routing of the harness with care, exactly as it was on all of them. Bought a new battery and then tried to start the engine…. … no spark except when I release the start button, one spark, I checked all the connection, everything seems to be ok. Call a local repair shop and they told me it could be the rectifire. Maybe it was not a good idea but I decided to install the rectifire I received with the atv. was a real good moment, it started and ran perfectly. what an happy man!!! wait it is not over… I had to place all the wire in the battery compartement and disconnect the red wire of the battery. engine stop, replug, started and ran fine but not charging. left it on a side for 2 weeks and came to start it to diagnose and my battery was empty, recharged the battery and looked for leak. rectifire was draining the battery because one diode is blown, did other testing and stator was outside of specs, suppose to be between .09oms and 0.11oms and got around 0.7oms. removed the stator and brought it to a stator shop that tested it and told me it was good.
They told me it’s sound like a rectifire problem and I know it is defective because it does discharge my battery, so I bought a new rectifire, re-installed everything as the shop manual says. I was sure I was going to have found my problem…. tried to start the engine, nope!!! only a spark when releasing the start button… installed my defective rectifire and it runs perfectly except not charging the battery and when the key is off, it drains my battery. Call the stator shop to ask if it was possible to get a new defective stator, they said they are all tested and they should be good, brought everything back , stator, the 3 rectifire I have and got them check, the new rectifire and the one I bought from the accidented atv are good and the one draining my battery is bad but it make my fourtrax to run. We checked the stator and everything is ok and we compared the oms from a 1992 functionnal fourtrax and it also have .7 oms on the yellow wire…..
Now can someone just make this long story (sorry about that) with an happy ending?
Because I am trying to be logic, if it does run with the defective rectifire, my key switch, on|off switch, CDI and my alarm box should all be ok????? I did try 2 diode and nothing different. HELP ME!!!! :icon_ cry:
I have 88 forman. It seems like I’m going through a lot more gas then normal. Plus it sounds like the chokes on. With it back fireing little bit not much. Any ideas
98-91 300 fourtrax trx 2×4: Clymer shows a crankcase baffle installed for this engine with no exception noted for model differences. Neither of the two engines I’m combining to make a good one seem to have ever had one regardless of bolt hole and mating surface to accept one. Parts diagrams show it available to order for sport "ex" but not for utility "w". What say y’all gurus?
98-91 300 fourtrax trx 2×4: Clymer shows a crankcase baffle installed for this engine with no exception noted for model differences. Neither of the two engines I’m combining to make a good one seem to have ever had one regardless of bolt hole and mating surface to accept one. Parts diagrams show it available to order for sport "ex" but not for utility "w". What say y’all gurus?
Hi all I’m new to this site and couldn’t find any older post that point to my issue so any assistance would be great. My 86 fourtrax 250 won’t start. I have good spark and gas flowing to carb. It is in neutral and all fuses are good. Carb was rebuilt 3 month ago right before I bought this. Has a new sparkplug properly gapped in it. Battery is good and fully charged. It ran great for 3 months. Started and ran like a top in the coldest Temps here in Ohio. I cannot pinpoint any other issues. It ran one day and the next just won’t start with electric start or kick (did both previously). I can hear starter crancking. So I just don’t know what else it could be. Any help would be great cause this is the funnest wheeler we have ever had… thanks
I installed a snorkel that I made using 2" (outside diameter 1.5" inside diameter ) ran it on outside of front left fender. I installed a hmf pen land utility series exhaust that I believe is for a Rincon I had it welded on. And I added a uni air filter. Needless to say it would barely run after all of that.
It would spit and sputter and was unridable. I could cover half the opening of snorkel and it would run good. So after reading a little bit I ordered a few main jets a few sizes bigger from jetsrus. It had a 130 in it. Iv worked my way up to a 150 and the needle clip on top notch. It runs pretty good has a little choke every 10 secs or so at steady throttle when its warmed up. My muffler is getting real hot. I haven’t noticed the header from motor glow red but the inside of muffler has got red.
I bought 2 new plugs today and did a plug check a few min ago. ( last 4 or 5 tanks of gas have been non ethanol gas). I’d hit 5th gear wide open for 10 secs then push gear shifter down as far as it would go , once ( neutral, but actually 4th gear if I would have let up) And hit kill switch. Pulled plug and it’s almost white as new.
How many more jet sizes up do Yal think I should go? Think Iv already went through around 8 jets.
I did a tear down of the rear end on my recon due to bearings starting to growl and just going to throw a couple bearing and seal kits at it.
When I removed the diff housing from the swingarm, a palm full of oil came out of the shaft. Now I know it runs in oil, but how to refill fill it? How much do I put in and does it used the same hypoid oil as the rear diff?
My clutch plates were seized so I took it apart and freed the discs/plates and everything measured good. Waited a week for the gasket and went to put it back together today. Fired it up and put it in gear, it jumped a bit in the direction I shifted into like everything was good. Gave it throttle and nothing. I must not have aligned something properly putting the case back on or something worse. Any thoughts on what I screwed up? BTW, this is a 1999 300FW
