choices

I'm building a T Bob frame with 50 in. wheelbase, 25hp clone, I weigh 215lbs....will be running 1/8 mile or possibly 300ft. I need a starting point for a final drive ratio or sprocket sizes. Haven't made the purchase yet, buy will prolly run a Bully 2 Plate clutch and shoot for a 4000-4500 rpm...

I know the MBX11 is almost a direct swap. However I can't find one for sale. The next idea is a Ebay CRF50 fork assembly... Shown here..... CRF50 Fork Assembly=mtr Any other ideas under $100? Thanks Ralph

I picked up a taco frame last year cause I wanted the shocks for another project , that fell thru.I think the wheels and tires may still be where I got it but there is multi choices. Does anyone have pictures and sizes? What motor would it have used.

Hi all, I've been looking at getting a new carb for my HS50 as the one that came with it is a diaphram type meant for smaller engines, and won't run quite right. I've been looking over some of the carbs on amazon.com, but not really sure what would be right. I've found these two and they...

I,m looking to replace the cam since I have the motor apart. I would like something just a step or two above stock so I can use oem springs and lifters. Does anyone have any suggestions?

i have a doodle with the sand tire on the FT. ,hate it. what tracks well and turns tight? we ride hard trails

I have 2 tillys, a 357a and a 227a. The 357a is a .600-.750 bore carb (somewhere around that) and the 227a is a 1" bore carb. Neither have chokes. Which one should I run on my flatty? It has a billet rod, billet flywheel, staged pipe, and heavier valve springs, with polished ports.

what do you like for tires? i have a carlile 4.10 5nhs tread. i want to try a rear slick for better brake wear. i drive 99% office park. {blacktop}

So I'm wanting more power and speed on my bike and I have a choice between getting a tav2 or buying a brand new 6.5 hp clone motor. both will cost me around 200 canadian but which one should I buy if i can only get one? The engine I have now is a honda g150 which runs pretty good and it's the...

Hello, I'm new to the site and have been looking at building a rupp pit bike. Since the bike won't be stock I am not concerned about going back to the original engine. My question is which engine would you all recommend. First off, is there any major reliability concerns with either B&S or...