Grearing for stock shee for flatracking

[smokinjo]

What gearing would U guys recomened for a shee that is stock and has TR6 pipes.. Just a couple teeth up on the front sprocket? I know tire make a difference they r stock take offs from a new 400 EX ( i picked up for 20 bucks). Any help would be great. I just dont want to be a hole lap behind everyone lookin like an idiot

 

Thanks ~Joe

[bansheefreak]

how big is the track???

[smokinjo]

how big is the track???

 

 

 

I guess that would be an important ? that i decided to leave out... duh... Anyway its a 1/2 mile track in Decatur Illinois.

[RadarRacing]

Wow 1/2 a mile I was going to say trade pipes for some tq but for 1/2 mile I'd leave it. I would probably run whatever will pull around the track in 4th or 5th but you will have 6th if you need it. That all depends on the rider and tires etc. Stock 14/41 gearing with those pipes would top out at a higher speed than you'll run on that track in 6th, but i'd gear it to scream and be just about at top rpm in 5th which. Remember it's a 1/2 mile dirt oval with less than 1/8 mile straights and I doubt your bike would hit 90 mph. 15/41. Only 1 tooth up on the front. If you gear it too high the gears will be spaced farther apart and you'll not be on the pipe when you come out of the corners. It's easier to come out of a corner smooth when you are already in the powerband and not have it hit when you are coming out.

[tt_bansheerida]

Wow 1/2 a mile I was going to say trade pipes for some tq but for 1/2 mile I'd leave it. I would probably run whatever will pull around the track in 4th or 5th but you will have 6th if you need it. That all depends on the rider and tires etc. Stock 14/41 gearing with those pipes would top out at a higher speed than you'll run on that track in 6th, but i'd gear it to scream and be just about at top rpm in 5th which. Remember it's a 1/2 mile dirt oval with less than 1/8 mile straights and I doubt your bike would hit 90 mph. 15/41. Only 1 tooth up on the front. If you gear it too high the gears will be spaced farther apart and you'll not be on the pipe when you come out of the corners. It's easier to come out of a corner smooth when you are already in the powerband and not have it hit when you are coming out.

 

i agree with you i try and stay away from 6th gear its just an extra shift that you dont really need, i was running a 16/38 and hitting 9500 rpm's in 6th i would come into the turn in 5th get on it and shift coming out on the straight

 

if your going to be running praticeses and heats the go with a bigger gear setup and just change accordingly during the day if you know what the peak hp (rpm) is try and set the gearing so when you come out of the corner your making the max hp the can push out

[smokinjo]

Well I had a rain day today at went to the local dealer an picked up a 14 front and left the back at 40. Its deffinately a lot faster. I can still pick up a 15 if i think i need it. I can still make a hard launch in second taking off, which is almost making me think i do need the 15. bad thing is the chain practically has no ajustment and thought about taking off the bottom chain guide to give up some needed slack.

 

I forgot to tell u my shee is an 88 so it came stock with a 13 tooth front.

 

so what do u guys think about running turf tires, my guess it depends on the track.

 

anyway thanks tons for the input its greatly appreciated... ~Joe

[TwistedSheeRida]

haha i was just going to comment and say "you got the same size sprocket" but you clarified that lol

[smokinjo]

Well things went good the other night. I got first in both Motos :biggrin: and made 205 bucks.... not to bad for not racing for 20 yrs.