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By DaveswMN
Pulled my '86 Moto4 out of shed where it sat for 20 years. I knew it smoked. checked it over a little put in gas and it fired right up!!
Drove about 100 yards, ran about half throttle wouldn't idle. Put on somenew parts, jug/piston and rings, carb and valve seals.
'went together ok, tuned it over by hand about 6 revs whick went well. Hit the starter it fired for about 6 revs and quit. tried it again fired once and then th sound of something slipping like maybe chain slipping over spoket.
Took cover off to watch cam sproket, hit starter again, heard same noise and the cam sproket was not turning but jumping a bit. Chain was still tight. You will probably tell me I need to split the lower case but hoping there mightbe something else.
I don't fully understand the chain tightener, the plunger only moves about 1/4 inch, should it move much more than that when off the motor and compressing it by hand?
Thanks for any thoughts.
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By jmeier1981
Ok guys Ive got a few more for ya.
TIRES:
Ive thought about getting new rubber for the wheeler it has some half worn down 25" Kenda executioners on it and Id like to get something that maybe rides a little better and does as good or better in the mud if thats an option. Any tire model suggestions? Also I would like to go to a 27" or mayb e even a 28" are there any disadvantages to doing this would I have to change anything on the wheeler to make up for the larger tires? Ive had a couple people tell me that they would be hard on the clutch.
WHEELS:
Ive seen some really nice looking aluminums but not sure they are tough enough to handle trail riding...Are they??? If so what would you reccommend, id like a little off set to give it a slightly wider stance and better stability but a buddy has a set of ITP wheels and the rear is offset a lot compared to the frnt and it looks great but hes constantly getting the back wheels hung up on trails
SNORKEL:
I see that the airbox on the brute is where a normal wheelers gas cap would be, so that being said am I good to go with water as long as it doesnt go over that point os is it not sealed up to the box? Also how about the belt and it staying dry, do I need to do anything to ensure that it doesnt get soaked and leave me stranded.
Oh by the way I love this thing the more I ride it the more Im glad I went with the powerhouse, Ive run with a couple polaris 500s 700s a grizzly 660, and 700 and a couple rincon 680s that were built and they cant touch my stock 750, although she likes her gas thats for sure i got about 50miles and Im needing a refill
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By Gwbarm
I generally use Non Ethynol fuel in all my small engines. I just got back from the gas station and that fuel has really increased in price since last year, I will continue to use it, even though its north of 1.00 a gallon more. That seems minor compared to cleaning and repairing carbs every year.
I was just curious as to what others are doing in regard to gas in their quads, i know a lot of the newer ones are fuel injected which shouldnt pose a problem, but i have had lots of problems with rust and jell forming in carbs when using ethynol fuel.
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By JohnnyB
Greetings,
Have a 88 LT80 that been sitting for a couple years. Bought a new piston, cylinder and head. Installed these, rolled it over and it quickly locks up. Took carb apart. It was full of what appears to be 2 cycle oil. Cleaned it, but keeps locking up and 2 cycle oil continues to seap from exhaust port. When i installed new cylinder, I noticed crankcase was full of oil. I'm now wondering if that oil is what's getting sucked up into cylinder. Should there be no oil in crankcase? If that the case, how is crank and rod lubricated? Sorry, never worked on a 2 stroke. Thanks!
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