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Yamaha MX & Off-Road Dirt Bikes
Reliability and rebuilding of 4 stroke
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[QUOTE="mud_dawg, post: 767873, member: 53089"] well i own a 98 yz 400 f had the engine down last fall for the 2nd time.We rebuilt the crank. bored, new piston and rings, top end bearing,gasket kit and crank bearings.now i work at the shop so i only pay cost, but did not cost much more then it cost to redo any of the 2 smokes i have or do own,I have only used bel ray exr 20-50.change the oil every ride.i hill climb the bike and it is my main play bike. i do not think thats bad at all after 5 1/2 years of good ridding.Now i think i may be some what lucky because i have heard of and had to work on some horor story thumpers.i do not think they are any better or any worse then the 2 strokes. oh wait i did have to replace the counter shaft seal last spring i had a little dribble now and then(lol) MUD RULES !!!!! [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Reliability and rebuilding of 4 stroke
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