shift kit

So I'm wrapping up a build and need to figure out where to make adjustments for optimal gear ratio Here are the pertinent specs 26" wheels Huasheng 49cc 4 stroke tapered shaft with 4g belt drive tranny 20t - 100t pulleys(5 to 1) to final 9t sprocket 9t sprocket to 17t SICK Bike parts left...

Hi, I have a Fito Modena G-2 and I have been having problems with the installation of my shift kit. After installation I have been having a hard time getting the chain to tension properly, but I will be buying a tensioner soon. The entire shift kit will literally twist around the seat tube...

I'll start my first build next week. $422 Fito Modena GT-2 7-speed cruiser with 24" x 3" tires and dual disc brakes $381 49cc 4-stroke HS142F with 80-tooth 4G gear (bicycle-engines.com) $217 Shift Kit and chain breaker (Sick Bike Parts) $52 Heavy Duty Clutch (Staton-inc) $8 Tire Slime tube...

So, in my process of cleaning out my garage and getting ready to trade the orange bike for an electric bike, I put all three of the gas bikes I've built together for a photo-op. The Black bike is one I built for a guy at work, the blue one is my daily rider, and the Orange one was just traded...

Hey All! This is my first post, though I have been following the forum for quite a while. I put my first build together a year ago next month! My first build was on a 700c Roadmaster Adventures $99 Wal-Mart special. I learned quite a lot from that first build, including but not limited to; 700c...

Ive assembled a wonderful motorized bike and managed to figure out pretty much everything to make it work, with a little help from the forum. It runs great and it goes pretty well too, however I've only put 11 miles (as stated by speedo) on it and I've killed two chains already. The first break...

just wondering if anyone has tried out one these shift kits?? http://www.ebay.com.au/itm/JACKSHAFT-SHIFT-KIT-GEAR-KIT-SHIFTKIT-JACK-SHAFT-FOR-BICYCLE-ENGINE-KIT-MOTOR-/190772632698?pt=AU_Motorcycle_Parts_Accessories&hash=item2c6aef5c7a&_uhb=1#ht_4978wt_1271 its a bit cheaper than the one...

Just browsing eBay and I see a seller that has an sbp shift kit look alike BUT it has three chain wheels on the freewheel crank instead of just 1. This means you could have up to 27 speeds instead of 9 like normal. It comes with an electric motor but has anyone tried this with a gas motor...

hi , just purchased 2nd bike a 26" single speed cruiser .about to purchase 66cc rock solid engine, dellorto carb, expansion chamber, hp cdi with lead and later on down the track high compression head with ceramic piston etc.. my big dilema is that i love the idea of the shift kit, (1st bike i...

i was thinking if i rotate the bearing support on the clutch side of the qmatic 90 degrees or so and bolt in place. i could get the chain to line up with sbp shift kit i would have to change the standard gear ratios and possibly change the mounting location. any thoughts or ideas would be...

has anyone motorized a beach cruiser with a 3 speed internal hub shifter and put a shift kit on it? it seems like it would top out to fast in 3rd gear.

Hello everyone!! I am trying to decide whether i should use a cruiser or mountain bike, and was hoping you all would give me your opinions and ideas. The engine i decided to purchase is the 49cc 4G T-Belt Hua Sheng engine kit. I have a choice between two bike, 26'' Men's Schwinn Point Beach...

Hey Guys, so here I am jumpin into this full tilt... Here is my wicked plan, I just bought what I think is one of the last Fleetwoods to be had you know the inexpensive NuVinci Caddy. Well after having done a little research I can see the benefits of the CVT and had to have one but this whole...

hey guys i finally got my shift kit installed, after quite some time just trying to get the masterlink onto the drive sprocket. i swear any tighter it would burst. anyways now my engine is really hard to start because both chains are so tight i can bearly pedal, even when holding the clutch...

my engine keeps tilting to the left side of the frame and it already cause my front 10t sprocket to break 2 teeth, anyone have some advice? im running a custom mount up front cause my frame is thick and im using a steel plank and 2 U bolts, there on really tight and when i ride for a bit the...

okay so i have a 30cc friction bike that runs 30 mph, and it runs good. On my next bike it will be chain driven, and i dont need to be able to pedal, but i would like to put a shifter kit or transmission. the motor is a 6.5 hp 4 stroke honda. also i think i should use a mountain bike because...