B.b.p builders Posted September 6, 2014 Report Posted September 6, 2014 Looking for ideas, some of you know I just picked up that 421 pv cheetah bike. That I'm parting in the for sale section. I already own a drag bike that I am very happy with and still needs tons of seat time on the track, but I miss having a bike to play on, can't really just fire up the methanol drag bike and go for a cruise whenever I feel like it, have to purge it after, and it's set up to run 300'. So Im thinking about turning this 421 cheetah into a nice play bike. But a very nice play bike ! Want it ported want to keep the pv in it, but I also want it to perform in a Drag race also. I will say this, this bike is shit rite now! Motor is a dog, running way rich, pv are probably plugged up, shit my stock cyl. With stock stroke, with a trail port pulled harder then this 421 cheetah!! Seriously! Toss out some ideas, swing arm length, porting ideas(I want it to have as much power as posable) Can a guy run methanol in a play bike, and the bike still be reliable like race gas? Cause I have a shit ton of meth I need to burn! I have a frame I'm going to cut up and make lighter, also a sub frame for it as well. Rear MS hill shooter, and a set of works shocks for the front. WNt some in frame pipes, not sure if type, but not the fmf a that are on it, I'm sure it could perform better with a better pipe? Quote
Deadbeat Posted September 6, 2014 Report Posted September 6, 2014 wont get much distance between fillups on meth..must be running pretty bad if a trailport pulled harder Quote
trickedcarbine Posted September 6, 2014 Report Posted September 6, 2014 Alky is definitely only as reliable as you tune it to be. That said, there are plenty of play bikes on alky in the dunes. Quite a few guys here run nothing but alky in whatever kind of bike. You're gonna have to call a few builders to see what package they feel works best for you. Pipes will have to be some type of in frame drag style. Shearers, snipers, CPI, hand made ....... Carbs 35mm and up. The chassis, well obviously good arms and shocks. Minus 2 swinger for trails FTW! Quote
jriffe23 Posted September 6, 2014 Report Posted September 6, 2014 If it's a dune/play bike id do +4 or +6 swinger Sent from my iPhone using Tapatalk Quote
B.b.p builders Posted September 6, 2014 Author Report Posted September 6, 2014 wont get much distance between fillups on meth..must be running pretty bad if a trailport pulled harderYa brutal! But it's pulling pretty good now! Jetting was way off, powervalves were plugged and one was not even connected, as in the bolt that holds the valve came lose, so guaranteed the piston must have some marks on it, these motors can take a bearing! This guy had someone put this kit on who had no clue, he rode it all summer didn't maintain it once! Didn't even wash it once! Shit I didn't even know the rear swing arm was chrome till I got home!Power transition is awesome! I like it! Can't wait to port it! 421 pv cheetah great play bike! Can't wait to build it, next season will be fun! Quote
B.b.p builders Posted September 7, 2014 Author Report Posted September 7, 2014 Stock trans, tricked. Can you explain to me the benifit if haveing a modified trans on a play bike? I honestly have had many banshees over the years, really didn't have any problems with the transmission in the stock form. I can see an override on a drag bike. Also what do they do to the trans on a play bike like say for example a camatv trans, what is the benifit. Hell I have bent way more shif forks in my mx days when I raced mx dirt bikes. Never had a problem with a banshee trans till I got my drag bike, and I swear that trans was already toast when I got it! Quote
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