Author Topic: 102c FL350R  (Read 2367 times)

dirtburner

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102c FL350R
« on: June 30, 2010, 12:30:30 PM »
I have a couple questions about belt size with a 102c clutch.
I am running a stock driven clutch for now until I can find a comet
or until certified parts remakes the 790...
what size belt is best with this set up??  I would like to find out before I put the spider back on my clutch
because I thought I remembered hearing about running a wider belt for a little bit deeper gearing (higher up in the driven clutch)
I f this is the case I will need to add a shim to  my clutch for belt width, Correct??
 
thanks in advance

LiveWire

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Re: 102c FL350R
« Reply #1 on: June 30, 2010, 12:49:56 PM »
I have run a 1 1/4 belt before. I did not re-shim the 102C. Adding a shim would allow for running a shorter belt than the one I used. The 790 is basically the same as the stock clutch. There is no need to change unless your stock clutch is worn out.

dirtburner

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Re: 102c FL350R
« Reply #2 on: June 30, 2010, 01:09:28 PM »
I thought I remembered you saying that livewire
when I dropped my jug off... Do you recomend setting it up for the 1 1/4 belt?
were there rewards to be reaped?

LiveWire

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Re: 102c FL350R
« Reply #3 on: June 30, 2010, 02:34:46 PM »
A longer, wider belt will provide a lower initial gear and a taller final gear. I did not do back to back measured tests to find out exactly what the gains were. Top speed is power limited, not RPM limited anyway so there may be no increase in top speed. What I mean by power limited is that the engine does not have the power to pull a higher speed with higher gearing. I hit 75 on GPS with 20" tires. 22" tires do not add any speed and 24" tires make is slower, most likely due to the rotating mass. So you'll probably only see real world results with the wider belt on the the take off performance.

I am also running Heel Clicker cam arms in my clutch. They allow having a lower engagement RPM, yet still pull harder off the line than standard cam arms.

dirtburner

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Re: 102c FL350R
« Reply #4 on: June 30, 2010, 02:46:18 PM »
Cool...
I think I am going to try it out.
and I guess I will stay with the stock driven if its the same...

Thanks