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Similar Forum Topics
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By KdlH
Hello.
I'm new to the forum, I live in the UK. I have just bought a 1995 Yamaha Moto 4 350.
Generally the condition isn't too bad (I paid very little for it!), it looks quite original and all the plastics are quite good. The bad bits are no brakes, the rear axle bearings are shot and the transmission won't shift through the gears properly.
I'm not planning on a full rebuild but I would like to sort it out a bit. The transmission is my main concern. If anyone has any ideas on what might be the cause I would be grateful. I can explain what's happening in more detail if required.
Thanks everyone,
Kester
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By DaleJAM
so i cant read the vin clearly but i have added some pictures, hopefully someone sees it correctly. took a picture of what it looks like, they painted it Green It is underside a SKY BLUE original. has one spark plug . 3 relays in the back + rectifier. has one relay in the front. has cdi in the front three plugs off it.
If you need more info or pictures please ask.
the wire harness is trashed i want to rewire it but correctly.
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By Jacksonbell
I just went out to start my 2004 polaris sportsman 600 and nothing happened. It didnt have power to the dash and wouldn't turn over. I have no idea why, but it's not the battery because the winch still works. Can anyone help?
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By PolarisRich
I've never done this before but after reading a few thread I decided to check my valves for the first time and to my surprise it was much easier than I thought.
My bike is a 2005 Sp 500 HO.
I first pulled the seat and the right side panel off, and that's it! It wasn't too bad to get at.
Next I pulled the spark plug out and removed both the head cover ( 8-8mm bolts)
[ATTACH]1021[/ATTACH]
then the side cam cover (5-8mm bolts).
[ATTACH]1023[/ATTACH]
Also remove the plug in the recoil cover (14mm bolt) to see the timming marks.
[ATTACH]1022[/ATTACH]
Next I turned the engine over with the pull cord untill it was at TDC of the compression stroke.
The best was to tell that your at TDC of the compression stroke is to rotate the engine until the
timing marks are parallel to rocker cover gasket surface.
The cam sprocket locating pin will be facing upward directly in line with the crankshaft to camshaft center line.
Now fine adjust by looking into the timing hole in the recoil cover and line up the upside down "T" on
the flywheel into the center of the hole.
[ATTACH]1023[/ATTACH]
Now using a feeler gauge, slide the .006" (.15mm)blade between the top of the valve and the bottom of the adjuster and adjust accordingly
[ATTACH]1024[/ATTACH]
[ATTACH]1025[/ATTACH]
To adjust, Loosen the locknut (10mm) and check clearance with a feeler guage. Clearance should be .006" (.15mm) for both, intake and exhaust valves. Turn the adjuster with a stubby flat blade screwdriver untill the proper clearance is achieved then tighten the locknut (5.8-7.2 ft. lbs) while holding the adjuster in place with the screwdriver. Re-check the clearance with the feeler guage one last time and re-assemble the covers (72 in.lbs) and plugs.
The only thing that i noticed was that I had to clean and silicone the side cam cover other than that I found the whole process rather simple.
I'd give it a 4 out of 10 on the skill level scale.
I hope this helps!
Thanks Rich
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By Sportsman500guy
I bought a 1996 Sportsman 500 4x4 about a month ago, and I love it. Unfortunately, I've been experiencing a few problems with the high-range gear. The first problem is that the gear selector will intermittently pop out of high and into neutral. This problem will sometimes occur when starting from a stop and sometimes will also occur while at cruising speed. The last time this happened I stopped and put it back into gear, however, as soon as I tried to throttle the machine would die. I turned it on again with no problems put it back into high and it died again. Once again I turned it on with no problems put it into low instead and it worked fine with no problem. I drove in low down the road slowly for a little and then shifted back into high with no issues.
I plan on working on it this weekend and would just like some opinions or feedback from anyone who may have experienced these problems before. I'm very mechanically inclined but im unsure of exactly where to start as this is the first Polaris ATV that I've owned. Any feedback is appreciated and thanks in advance
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