Reliability vs hp curve

[INTP_ty]

What’s the honest limit of these 2 stroke motors? With the right gearing, I bet I could toss together a non reeded motor that does 40mph & requires no pedal assist from the start.

Engine builders, where does a person draw the line?

 

[mark20]

What’s the honest limit of these 2 stroke motors? With the right gearing, I bet I could toss together a non reeded motor that does 40mph & requires no pedal assist from the start.

Engine builders, where does a person draw the line?

really the limit is your wallet, ive seen people make close to 17hp with these engines!
but if you tune it right, ive gotten 40mph with a stock engine, i had to do a portmatch, and a polish of the stock exhaust. it screams at 8500!
its up to what you want and how much you want to spend. but its possible to get them fast!

 

[Will'smotobikes19]

Stock pk80 with a 36 t can go like 37mph just with no end cap. The power is really in what type of motor you get. I never believed people until I got the better motor.

 

[JerboaJohn]

40 is very do-able on a budget,, 50+? = spend some cash every chance you get until summer and you'll be there haha.

 

[Street Ryderz]

Reality is it's not really what you spend on the engine but what you spend on tools and equipment to do the required work to make it have power,and I don't mind investing in tools that help with any engine type rather than spend on bogus aftermarket parts!Other than a head and cdi I don't use any aftermarket part's,I make my own intakes and headers,do the crank work myself and of course the cylinder porting and case prep.

 

[Lukesky36]

i have a hybrid engine stock everything from the kit only differences is its running a 36 tooth and its on a 29er wheel goes 43Mph flat ground all i did was lean it out one notch

 

[JerboaJohn]

you accumulate tools along the way. im talking spend your money on good frame, rims, hub, tires, levers, sprocket, etc. make your bike reliable first. thats the expensive part,,