justin_o_guy2
Serious Thumper
Offline
What happened?
Posts: 55279
East Texas, 1/2 dallas/la.
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Well, if you want some kind of ego/psychological charge, tear into it. If you want to ride, then fix it & go down the road. It had No heart & will no appreciate your care. It will run & run if you make the cam open the valves at the right time for the piston to be all happy & spark at the right time. No need to go thru that engine with 20,000 miles on it unless someone never changed the oil. Make it run right & the engine is fine. Sounds like a cam issue. Check compression. If it's not okay, make sure it's not a cam timing issue causiing it. Odds are, rings are fine, bottom end is fine, piston & cylinder, fine, tranny, fine, everything is in great, serviceable condition, except a cam chain & timing issue. You can have that bike going down the road as well for $150.00 as you can for $450.00. All you are gonna do is waste a lot of time & money & change nothing about the bike.
I am trying to keep you from making a mistake, please, don't be offended, just realize, to need a rebuild with 20,000 miles is unheard of on this engine. I have seen one with almost 90,000 on the clock. Wasnt pretty, but it was running! All yours needs is a couple of days spent on it getting the cam chain & tensioner right & run the valves, It will run good again. Maybe a carb adjust, but no rebuild needed. Betchya!
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