Haven't messed with this bike in quite some time ....
Just ordered an 11t 1/2 bore, #35,, finished B sprocket from Grainger.
Motor shaft size is 10mm, & I have a finished ''stout'' aluminum bushing, that will fit absolutely perfect between the sprocket & motor shaft.
Will have to mark & drill 2 holes thru the bushing for the set screws,, to contact the motor shaft.
There is no offerings out there for #35 chain 11t - double D slot sprockets for these motor shafts, so I' am going fabricate my own.
Once I get the bushing holes drilled ect. for the set screws to go thru, I will then mark the motor shaft were they will contact, & use my Dremel for making 2 notches for them,, so the sprocket ect. will be pinned good.
Gear ratio will go from 7.5-1, to 6.8 - 1.
I will step the motor timing back to the stock marks also, & that will help in keeping it from drawing to many amps, & getting hot,, because it will be under more load, with the new gear ratio.
It should give the bike around 2 1/2 - 3 mph more top speed, & definitely tame it down some out of the hole, so ''maybe'' the Wife might ''finally'' take it for a spin. ''LOL''.
I should have the sprocket Thurs., & will take pics. ect. then ,& give my thoughts on how I like it,, after taking it for a ride.
Also am going to hold off for awhile on getting a brushless set up, as this brushed motor & controller that I tweeked & reworked,, work just fine,,, ''for now''.
I
Just ordered an 11t 1/2 bore, #35,, finished B sprocket from Grainger.
Motor shaft size is 10mm, & I have a finished ''stout'' aluminum bushing, that will fit absolutely perfect between the sprocket & motor shaft.
Will have to mark & drill 2 holes thru the bushing for the set screws,, to contact the motor shaft.
There is no offerings out there for #35 chain 11t - double D slot sprockets for these motor shafts, so I' am going fabricate my own.
Once I get the bushing holes drilled ect. for the set screws to go thru, I will then mark the motor shaft were they will contact, & use my Dremel for making 2 notches for them,, so the sprocket ect. will be pinned good.
Gear ratio will go from 7.5-1, to 6.8 - 1.
I will step the motor timing back to the stock marks also, & that will help in keeping it from drawing to many amps, & getting hot,, because it will be under more load, with the new gear ratio.
It should give the bike around 2 1/2 - 3 mph more top speed, & definitely tame it down some out of the hole, so ''maybe'' the Wife might ''finally'' take it for a spin. ''LOL''.
I should have the sprocket Thurs., & will take pics. ect. then ,& give my thoughts on how I like it,, after taking it for a ride.
Also am going to hold off for awhile on getting a brushless set up, as this brushed motor & controller that I tweeked & reworked,, work just fine,,, ''for now''.
I