What causes a bent shift fork on a motorcycle?
A bent shift fork will cause its corresponding slider-gear cluster to bind in one gear, and then have insufficient dog-to-pocket engagement in the other gear in the cluster, with the other gears functioning as expected.
How does the shifter work on a bike?
The shifter is the gear levers, which practically controls the gear mechanism by selecting the required gear ratio. The shifter actually operates either by Hub gear mechanism or derailleurs. The control of shifter is basically through a cable that connects both the shifter and the gear mechanism.
Why are the gears on my bike not shifting?
The gear refusing to shift is the most common problem with a very simple solution – indexing. When indexed properly, the gears shift one after the other with ease. If you are skipping gears and facing problems, the indexing is to blame.
How can I change out my shift fork?
Get the transmission to your work table with some assistance from a friend with a good back or an engine hoist. This way you can begin to open it up to gain access to the cam to change out your shift fork. Be sure to organize your nuts and bolts organized in small dishes or baggies.
What causes a bent shift fork on a Harley Davidson?
Causes can include a bent shift fork, bad bearing on the transmission input or output shaft, or other worn parts. A bad/bent shift fork no longer move the gears the correct distance, which prevents complete engagement of the next gear set. Replacing a bent shift fork requires taking the transmission out and disassembling it.
The gear refusing to shift is the most common problem with a very simple solution – indexing. When indexed properly, the gears shift one after the other with ease. If you are skipping gears and facing problems, the indexing is to blame.
Why are the bearings in a gearbox so important?
One of the fundamental functions of the bearings in a transmission is to maintain the correct clearance between pairs of gears. If the bearings begin to wear and loosen, the gears can start to mesh improperly and become damaged from the crooked tooth contact.
What does it mean when a bike has 30 gears?
A bike with 30 or more gears is not an indication of a machine designed to break the land speed record any more than a bike with only a single gear, assuming similar ratios. It’s about efficiency and having a much broader range, or choice, of gears for a given situation.