On a stock machine, how high can you safely rev the engain before there is damage?

 

all the way ...rev limiter is on stock engine..it cuts out before damage

 

I assume you are asking the question because you have a new adjustable rev limiter?

 

Correct, I don't want to be running around in the 8 grand range if the stock valves and such cannot handle it.

 

Can you tell on your tach when the power starts dropping off? I know you can at least rev up to 8750 without any problems because almost all of the aftermarket CDI's go 1000 rpm over stock and I think stock is 7750. I don't rev mine past 8500 because I am not making a lot of power past about 8000. My power peak is about 7200.

I don't think I would rev it past 8500 until you have built it to the point you need more rpm than that.

My $.02.

Ron

 

My main shift point is around 7000, and I have yet to hit the new limit of 8900. Due to my size, however I cannot always shift on a hill race as it will bog down the higher gear, thus I run the RPMS up on the lower gear for that. Usually not over 8500

 

get a yfz. then youcan rev it up

 

I out grew the tinker toys years ago [img]i/expressions/face-icon-small-happy.gif[/img]

 

DOH!!!!!!!!!!!!!!!!!!!!!!!! That was AWSOME!!!!!!!!!!! [img]i/expressions/face-icon-small-happy.gif[/img][img]i/expressions/face-icon-small-tongue.gif[/img][img]i/expressions/face-icon-small-happy.gif[/img][img]i/expressions/face-icon-small-tongue.gif[/img]

 

Nice one, Dragon![img]i/expressions/face-icon-small-smile.gif[/img]