Hey guys, I'm new here (as a member) but have been reading for months now. My name is Thomas (Tom) i live in nsw Australia and im 17. I did weeks of looking here before i even got an engine. Thanks to these forums, this build went perfect, no trouble but one thing.
I have a 66cc Skyhawk gt5 on a mountain bike, bit tricky to fit the odd frame but its all in and running now.
My problem is this everything is A1 working great, no loss in performance at all. I noticed after about the first 50k's of riding, that there was some oily residue on the frame near my exhaust. Ok no worries clean her up start her and look for the leak. Ahhh **** it, it was coming from between the head gasket and cylinder, not exhaust, fuel line or carb. Over the next 2 days i check the head torque (perfect) change the gasket and re torque the head and go for a ride, still the same thing. Its not leaking real bad, but if u look close u can see it bubbling kinda thing in a few spots round where the head meats the cylinder/gasket.
So i have had my bike sitting for a week now waiting for a mate to make me a copper gasket, this same mate thinks this will fix my problem.
My question's are, will this help? Is lapping the head a good idea?
And also there is a copper gasket adhesive i know of (for head gaskets) is this safe to use on these engines? This engine is still under warranty, should i send it back? warped head/barrel maybe?
Thanks so much guys.
Oh a picture, this is not finished it is about 3 quarters done, had to make a custom carb intake and bend exhaust to fit nice.
So it kinda looks allot better than these pic ill get more soon.
I have a 66cc Skyhawk gt5 on a mountain bike, bit tricky to fit the odd frame but its all in and running now.
My problem is this everything is A1 working great, no loss in performance at all. I noticed after about the first 50k's of riding, that there was some oily residue on the frame near my exhaust. Ok no worries clean her up start her and look for the leak. Ahhh **** it, it was coming from between the head gasket and cylinder, not exhaust, fuel line or carb. Over the next 2 days i check the head torque (perfect) change the gasket and re torque the head and go for a ride, still the same thing. Its not leaking real bad, but if u look close u can see it bubbling kinda thing in a few spots round where the head meats the cylinder/gasket.
So i have had my bike sitting for a week now waiting for a mate to make me a copper gasket, this same mate thinks this will fix my problem.
My question's are, will this help? Is lapping the head a good idea?
And also there is a copper gasket adhesive i know of (for head gaskets) is this safe to use on these engines? This engine is still under warranty, should i send it back? warped head/barrel maybe?
Thanks so much guys.
Oh a picture, this is not finished it is about 3 quarters done, had to make a custom carb intake and bend exhaust to fit nice.
So it kinda looks allot better than these pic ill get more soon.