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Well I took the motor apart, and changed the rings, and now it doesn't start. The timing is right, I believe the coil gap is right, but no start. I need help trying to figure it out without having to tear it apart again. I did notice the gasket between the head and plastic spacer is broken...

Just like the title says, I want to make my motor sound different.. More specifically make it sound something like a Harley. I know it will be difficult because of the way Harley engines are designed to produce that distinct sound. What could I make, modify to get something similar? I was also...

I currently have some 15x5.00-16NHS on the kart right now. I need to know what each of these numbers mean and a good website/store to get these tires, I don't mind if they are a little bit bigger but do not want to go smaller. I also don't want to change the rims either. I

I have a flat top piston (arcracing.com item number DJ-2295). I recently blew the rings and now burning oil and fouling plugs like crazy. I wanna know if this piston uses T2 rings or T3 rings. I also wanna know some of the main causes of piston ring failure. Thanx. The rings I blew were...

I just upgraded my valvetrain with new pushrods, a pushrod guide plate, and a .265 lift cam. It recommends 18lb springs which is what I have. My problem is that the exhaust pushrod keeps getting stuck in the open position. I believe it may be because of the increased lift from the new cam. Would...

So yea as the title says I have a desire to go fast. Faster than I am now. I was able to reach 40mph with my current setup. I will be getting a smaller wheel sprocket to help. What I have so far for the ppl that haven't seen my other post High flow filter High flow header 140 e-tube .036...

NR Racing has an adjustable jet for Honda carbs. What exactly does it replace and is it worth having?

Well i finally solved my head bolt problem. Now theres a new. I got my motor put together and this is my setup. Gx160 head Flat top piston Billet rod Billet flywheel 4 degree advance No governor Ar3910x spark plug 140 e-tube A larger jet (i dont remember the size) High flow filter High flow...

Ok guys i got questions about stuff. I was attempting to remove my 6.5 clone head when all-of-the-sudden the six points on one of the bolts decided to strip itself. So now the bolt is stuck and not going anywhere. I was thinking about using one of those sockets that have the pins in it to fit...

Hello I am new to the forums and figured this would be a good place to ask my question. I have a brand new HF 6.5. I broke the motor in following manufacturing specifications. After the break in I modified the motor. The following is what I have done. Hi-flow air filter Header/Muffler Governor...