3rd Friction Drive build (pics)

concretepumper

New Member
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Joined
Aug 24, 2011
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Location
Hemet Ca
Building this for a guy. IMHO I wouldn't use this bike but thats me. He brought me the bike & motor. Asked if I could make it work. I told him I would give it a try. Anyways here is how I managed to bolt the drive spindle on. Using a homelite 35cc chainsaw for this one. Scrapped the clutch and went direct. Also cut some grooves every 1/2 inch on the peg to get some better traction. Should help.
Need a turnbuckle for the tensioner and a few other items for the hardware store but almost done.

http://i334.photobucket.com/albums/m419/rickherrick/Bikes/3Motorbike003.jpg

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http://i334.photobucket.com/albums/m419/rickherrick/Bikes/3Motorbike005.jpg

http://i334.photobucket.com/albums/m419/rickherrick/Bikes/3Motorbike009.jpg

http://i334.photobucket.com/albums/m419/rickherrick/Bikes/3Motorbike010.jpg
 

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Looking good! You are turning those friction drives out and you
have some creative skills.
Time to stuff a Briggs motor into a frame! :devilish:
 
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Ok just a update I got the throttle cable worked out just need to get the right size fuel lines in the AM.
 

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This looks really neat. Did you cut your own flywheel? How did you do away with the clutch? I don't blame you for not worrying about clutches or lifts. Cold starting may be harder though. That bike is going to be scary at any speed with those brakes. The very least upgrade he can do is buy soft v-brake pads to replace the stock pads, and turn the rims with sandpaper. I've done it to cheap road bikes and it made a LOT of difference. Good luck. Some old Staton designs had a turnbuckle on one side.
 
Thanks Happy. Actually this old Diamond Back was bought new by my Mother. Very little use and the brakes work well. I have had a Cannondale with disc so I can compare. Not too bad. I have 2 of these DB's and am wanting to do the other too so the wife might want to ride. Yea cold starts without a warm up are tough but here in Hemet Cali it is just plain HOT, then cold. I don't like cold and won't ride much then. However I am about ready for a break in the heat. 100 plus for the last few weeks. So Cal Edison loves billing me for the A/C though.
 
I think a clutch with a gear box would be better, at the very minimum a clutch.
 
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