rear sprocket

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rear sprocket

Postby Downriver » Sun Jan 11, 2015 2:58 am

Wanting higher speed what would be a better sprocket Tomos have a 22 on it now
1987 Daelim trac sprint/ at 101 PEDs now thinking of selling some parts
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Re: rear sprocket

Postby John » Sun Jan 11, 2015 7:01 am

What else have you done to the Tomos. Need specifics. Pic maybe!
22 tooth sprocket puts you in a sweet spot but going to a 20 will give you more with a kitted and well tuned motor. Don't expect to climb any serious inclines though. You also will be using your feet to get rolling also. Been there, done that.....

Just remember if you use a 20 on the rear you will need to mount a piece of high molecular nylon or Teflon on the top of the swing arm to prevent wear. The chain is going to rub. What is your front sprocket size, could go up a size there with the 22 rear.
John

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Re: rear sprocket

Postby Downriver » Sun Jan 11, 2015 11:44 pm

Thanks John have a 27 front airsal 70 CBC kit 15/15 carb delortto jet 72 and a polini reed thinking of putting a mikuni on it
1987 Daelim trac sprint/ at 101 PEDs now thinking of selling some parts
Downriver
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Posts: 51
Joined: Mon Jul 07, 2008 4:36 am
Location: Alberta Viginia

Re: rear sprocket

Postby John » Mon Jan 12, 2015 8:04 am

Ideal would be to find a 28 front. No grinding of the case would be needed. May give you better results than a 20 rear sprocket. They are out there but rare. Maybe a Mikuni VM20 with a Athena reed block and spacer would be optimal for more speed... Mid to high 50's ? Brakes are going to suck though.
John

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Re: rear sprocket

Postby Downriver » Mon Jan 12, 2015 10:31 am

Yes will try the 28 front having had over a 100 PEDs tried to keep them original but the ones I keep for myself like to full around thanks again John
It has been a long while since i have been on the site and glad to see it is still doing well
1987 Daelim trac sprint/ at 101 PEDs now thinking of selling some parts
Downriver
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Posts: 51
Joined: Mon Jul 07, 2008 4:36 am
Location: Alberta Viginia

Re: rear sprocket

Postby John » Mon Jan 12, 2015 2:13 pm

It just started up again a couple weeks ago after Lenny got it sorted. Was hacked back in April!
John

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