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im having a problem with my drag bike its a built big block 95mm piston the works...has a 38mm flat slide mikuni on it when i pin it it bogs sputters and stuff like it wont go know where but if i roll back on the throttle to like 3/4 it starts pulling harder im stumped i cant figure it out im...

yup u heard me right! frank moved his shop to teli and plymouth he is right next to a motorcycle shop across from Detroit diesel....good guy to deal with had alot of rare part's i couldn't find

i have a bad ass 1 off drag minibike for sale it started life s an early harrison wildcat its been stretched widened and braced to support a shiftercart rear rim and tire with disc break it has a HF 420cc motor on it thats been completely overhauled makes somewhere around 40 hp now does 70+ in...

i have a honda gx340 for sale its a real honda motor it has a ported and polished decked -100 thou head on it 55 lb. stock sized stainless valves duel springs locks and retainers champion shaft rockers...flat top piston agk .360 lift cam stock rod and flywheel stock carb dont have a blower...

heres a little vid of my bike running a modded banshee in detroit i loose by a car tho :( if i had a disc clutch and my 1.3's on it woulda been a diff story but heres the link enjoy...this shows how good u can make a 420cc predator run 420cc drag mini bike vs. banshee and 450cc dirtbike.. -...

i have a big valve 420cc predator head for sale...it has been milled ported and polished and has a 38mm valve seat cut and ready for a big valve! the ex side is cut for a 34mm the head is from stoney creek motorsports in belleville michigan im asking $175 for it since its bare with no valves...

i have a nice REAL gx390 head for sale it has stainless stock size valves, 55 lb duel springs, keepers and retainers,the head i fully ported and polished and milled .100 thou and has all of 3 hours on it...the head will come with champion shaft HD rockers im asking $200 o.b.o thx

im trying to figure out what this minibike is can someone help me lol thx people

i finally got my dragbike out and ran it it runs good at 1/2 throttle...but anything over that it bogs and falls on its face..kinda feels like its gonna stall out...thw carb is off a 400cc dirtbike its a mikuni bsr36mm CV carb...i was wondering if i jet it up will it take away that bog seems...

im wanting to build my honda gx340 motor for my drag frame i dont want it to be super serious but would like some power out of it my plans are... aluminum rod aluminum flywheel rockers cam mikuni carb nice stage header 70 thou milled off the head /port polish work what size carb...

Custom Mini bike Doddle bug

what up people i have a honda GX-340 and want to make 30 hp + from it and put it on my drag bike... i need to kno what do i have to do to get it there like what should i take off the head cam spec carb size springs rockers everything im already in the market for a aluminum flywheel...

im looking for hop up parts for my big block build.... i would like a bullet rod,flywheel,rockers,carb setup w.e u have let me kno thank u

I'm doing a clean up on my garage and have a list of stuff for sale.... set of stock doodlebug tires the arrow design ( great condition) $40 + ship doodlebug stock frnt rim with pocketbike 13/5/6 tire good tread rim needs paint comes with axle and spacers $40 +ship 13/6/6 rear tractor...

i got this bike in a trade and it was what i was looking for for a few months now...so im gonna start building it up to the specks i want for it... the bike is a harrison wildcat that has been streched and widened... its powdercoated yellow but thats going to change as soon as mock up is...

i got a real honda gx-340 (not a clone) has the elextric starter and all that on it runs good starts 2nd pool low hours....i would trade it for a gx390 or a HF 420cc motor

looking for a 6 inch or poss a 8 inch rim tire adaptor for a dragbike frame i need it asap

i need a gastank for my speedway LMK what u have!

so i was going thru the project sections on here and i seen OLE4's speedway project...and remembered that there was a frame at motor city mini's for sale so i started reading up... i was WOWED at the way his bike is turning up so i wanted to build a bike that style extended swing arm and stuff...

is the 16 hp powermax motor the same as a 420 cc predator motor???