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in this thread, I want to discuss how 4-cycle atv engines work- what the different types are... how they are set up and which you prefer. To start off, are the cams on ALL atv 4-strokes powered by a cam chain? I know that on say a lawn mower or logsplitter engine, the cam is turned by the tappet, pushrods, and valve rockers. Which is better and why? Chain-driven cams or pushrod-driven cams? Are the pushrods just an old version and everything is transforming to chains or the other way around...or not at all? Just looking for some explanation, history, and downsides/upsides...
By Hunsaker Tim
2004 700 twin peaks
When i get to about 10 mph i get a very (tinny ) noise from the right side of the engine / clutch area.
originally I thought maybe something got caught between axle and skid plate ie : rock and was just rubbing producing that sound.
I took off the skid plate and drove it and still had same sound.
Checked the lug nots and they were a bit loose , tightened them and still same noise.
Took off the what looks like an inspection plate on top of clutch cover and looked inside this apart and it is dry of any fluid.
Not sure if there should be any fluid in there or not had clutch replaced 2 yrs ago with nominal riding since.
I do not have the time or knowledge to take this apart and try and diagnose. The only repair areas around here are absolutely terrible.
The shop I normally do the work are 2.5- 3 mos. behind. Any suggestions would be greatly appreciated.
After looking at the wire diagram I saw the blue w/black stripe wire is coming from the neutral and reverse lights looking for ground thru the neutral and reverse switches. If it finds ground, the lights come on. The same wire also comes from the neutral relay looking for ground at the same neutral and reverse switches. So it was easy to trick the relay into thinking the engine is in neutral all the time without having the light on all the time. Just cut the blue w/black wire at the relay and ground it. Easy
Sorry the pics aren't better
Now it starts in any gear and indicator lights work as they should.
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