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Similar Forum Topics
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By LCP92
Guys, I've got a 1999 Honda Foreman 450S. It runs great, but smokes out the exhaust after startup until it warms up. I'm thinking the valve seals are leaking. I was wondering if there is a way to replace them without removing the head or if there's an oil additive that will recondition the rubber seals. Any advice?
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By jordan_ATV
I got a 2005 350 Raptor Special Edition and I'm dealing with a no start issue; the weirdest thing is when I'm cranking it fires and slows down showing signs of pre firing, smoke shoots out the carburetor every time it sparks. every electrical part (CDI, Rectifier, Stator, Coil) has been swapped out from previous owner, the top end of the engines all new and I cleaned the carb out, anyone got any ideas or similar problems, also is it possible to have a bad spark timing
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By DexKing
I recently got my hands on a free 2004 Recon that the owner had zero information on the machine or the history. Long story short, a little troubleshooting and research revealed i needed to replace the timing chain for it to stay running. when i opened the case, it the chain was so horribly stretched, that the tensioner pivot arm had play between it and the chain! I also found the oil pump chain totally disconnected from the sprocket due to being completely worn out. I tore the whole engine down and rebuilt it from the bottom up finding little things here and there that needed to be replaced. Upon inspecting the top end, i didn't find any bad/excessive play in the crank, rod bearings or wrist pin. Now the machine runs great, but even after 2x adjusting the valves, the chatter is way more than you'd expect from a honda normally. My neighbor is an auto mechanic by trade, and i asked him to take a listen. the look on his face when i started it and it was chattering like that was priceless! He mentioned that maybe the valves themselves might be wore out or stretched. my question here: what all can cause the excessive rattle up in the valve cover aside from valves being out of spec? Everything else seemed to be in decent condition as far as rockers and guides go. I am fairly new to small engine/ATV repairs, but am learning as a hobby and have a fair amount of knowledge with how to do some wrenching. Thanks!
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By DemonQuad666
I'm sure this has been tossed around on here numerous times but with the unveiling of the new KTM fuel injected 2 stroke. Could this be the first step in a come back for my beloved double ding ding machines. Ok lets hear it. Why do you like one or the other??? Myself, I always felt it was the throttle control and Powerband response with the 2 strokes. I know this sounds weird but on a 4 stroke, no matter size or model. I always felt like i was along for the ride instead of in control. I've spent hours on my buds 400EX, even took a new 450r for a spin. before they discontinued them. Blasters, Banshees, and a number of 125's, 250's and even one late 80's Honda XR250R... Results all the same. For me its a comfort and control that im used to with the 2 strokes.... and i love the smell of bean oil... So lets hear it. Im sick of arguing with same two people at work on this issue.
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By Gwbarm
Have you ever been on the trail and your tire valve goes bad. No way to break down the wheel and replace it. A lot of you probably know about this already i had heard of it but never used one. Just punch out the old one insert and tighten down the nut
So far it has worked very well.
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