made it better 2 strokes

palmclub · #1 03-17-2010, 12:47 PM

were fresh into this moter bike gig , my son and i each built a bike he drives his back and forth 35 miles a day to work ,, lasted until it was broke in then he scared a piston lost power ect. so we got a new head and piston , but while we were waitin i told him that back in the day when i was young we would run 2 stroke Go-carts in the 60s and early 70s and we would port and polish them and get a lot more power out of them so away he went polishin up everything the whole inside of the case the back of the new piston then we found why they burned up the casting slag wasnt removed in these engines so sooner or later this brecks lose and gets sucked into the chamber ruins your moter so i wasnt to happy with the quailty of these chinese junk moters,, but i gotta say after spending 80 bucks for amercan bearings for the crank polishin everything up polish intake and exhaust ports and manifolds he sparked it up last nite and oh my god what a diff. no noise ran smooth power up the yegyang what a diff a little TLC makes after seeing this i recamend before you put your new moter in do an american rebuild, you wont be sorry things like all the gaskets are to big blockin the passage of the gas mix all these little mistakes the chinese dont deal with need to be delt with if you want a good running motor Poul and Tyler

stuartracing · #2 03-18-2010, 02:03 PM

Yes I agree, I did the same thing and it really woke up the motor big time.....I couldn`t beleive the difference.....I ordered a sweet intake manifold and can`t wait to put that on.....

palmclub · #3 03-18-2010, 02:23 PM

were waiting for for carbs from spooky now ,, then maybe well try our luck on welding up some expancion chambers what fun were having its like the 60s are back

stuartracing · #4 03-30-2010, 01:39 PM

Do you have any part #`s for the bearings you got???? And where`d you find them????

palmclub · #5 03-30-2010, 06:16 PM

yes i got em at the napa parts house, 20 bucks a piece,,i,ll get the numbers when my kid gits home

palmclub · #6 03-30-2010, 07:43 PM

OK<< yes they are Napa #6202J for the crank and a6202JZ for the simi sealed cluch bearing thats working real good but were about to give up on those carbs .. well see

stuartracing · #7 03-30-2010, 08:03 PM

Quote:

Originally Posted by palmclub

OK<< yes they are Napa #6202J for the crank and a6202JZ for the simi sealed cluch bearing thats working real good but were about to give up on those carbs .. well see

Thankyou for getting those Part numbers, much appreciated....
Paul.....

palmclub · #8 03-30-2010, 08:05 PM

no problem, whos intake did you buy???

stuartracing · #9 03-30-2010, 08:38 PM

I got one from Pat...He makes those sweet s/s ones with a nice gradual curve to it.....He has a thread on here"Performance Intakes" I think, in the 2stroke perf. post....
I have a NAPA right down the street from me.....So I`ll see if they have them or order some.....
P....

palmclub · #10 03-30-2010, 08:46 PM

we had to order, they dont carry as much anymore ,,must be the enconomy at least it comes alot faster than waiting for our parts from the bike dealers