ElectricMotorcycleForum.com
Makes And Models => Zero Motorcycles Forum | 2013+ => Topic started by: KrustyKruser on March 08, 2017, 02:55:32 AM
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Hello all,
Just purchased a new to me 2013 DS. I see Zero has a chain drive conversion available for the FX model. From my research the FX has a 75-5 motor while my DS has a 75-7 motor. I don't know what this means other than the -5 motor is smaller than the -7 motor in output and physical size. Would anyone know if the front pulley off a -5 motor will fit on a -7 motor or is the shaft a different size between the two? I would like to do a chain conversion for personal reasons. I'm less driven by efficiency and range, and care more about ability to change gearing when going to ride a couple sessions on the track. I'm sure I can get a rear pully made to fit but the front sprocket would be easy to source from Zero.
Thanks all. Lots of knowledge on this site.
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The 2014 DS also uses the 75-7 motor, and the 30-03657 28T front pulley w/1" finished bore. Since the '13-'16 chain kit uses a 1" finished-bore chain sprocket, it's safe to assume this chain kit (w/o chain guide) will fit your '13 DS.
I believe the '13-'16 kit's chain & sprockets will fit all '13-'16 Zeros, but since only the FX & FXS have the swingarm mount for the chain guide, Zero lists the (complete) kit as fitting only those two models.
Ray
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Thank you for the info Ray, I will follow up with my local dealer to see if I can get the front sprocket separately vs. Buying the whole kit.
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The front sprocket (12T) is Zero p/n 30-03656 02, and the rear (65T) is 30-05090 02. AFAIK the Zero front sprocket is the only game in town without machine work, and their rear sprocket is lighter and probably cheaper than a custom one.
Here's an EMF thread with more chain-drive info:
http://electricmotorcycleforum.com/boards/index.php?topic=4559.msg30092#msg30092 (http://electricmotorcycleforum.com/boards/index.php?topic=4559.msg30092#msg30092)
Ray