justin_o_guy2
Serious Thumper
Offline
What happened?
Posts: 55279
East Texas, 1/2 dallas/la.
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Well,how does it run if you stop and just Take Off hard? A good running one should have enough acceleration to make you grin a little. What's an acceptable,Ohh say, zero to forty.. ooops uhh, 64.3kilometers per hour time guys? I was making it to 60 mph in real close to 6 seconds,but mine wasn't stock. Do you know how to get a hold of the guy who sold it to you? Maybe he can tell you what started it all..Just stay nice.. I don't know what is wrong,but it RUNS and doesn't sound like it's eating its own guts so I'm gonna say it's gonna be okay. Might wind up peeling the top off and looking at the timing,but I think you can check it without that. There are timing marks inside the plug on the left side. If those are lined up,And you're on the compression stroke,not exhaust,then with the piston at TDC compression the valves should be closed and be at,whatever you said,,.1mm,wasn't it? I know you adjusted the valves and they were closed when you did it,but did you check the timing marks on the crank shaft to get it there? Turning the crank the same way the tires roll? If you did all that then the crank and cam are as timed as well as can be. IMO even though the chain IS longer now,all that does is slightly retard the valve timing. As long as the cam lobes are not worn down it should run okay. You said you have modified the chain tensioner,,that is a good thing, but how close together are the chain sides now? Can you poke a finger in there? GUYS how much can the tensioner push a tired old chain? I know it can't be allowed to push the chain over till it touches,that would be bad news..
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