Difference between revisions of "Gen2/Drive Belt Adjustment"
From Unofficial Zero Manual
< Gen2
BrianTRice (talk | contribs) (extracted procedure to its own page) |
BrianTRice (talk | contribs) (photos) |
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# Place the motorcycle on a [[#Lift|lift or rear stand]] so the wheel spins freely. | # Place the motorcycle on a [[#Lift|lift or rear stand]] so the wheel spins freely. | ||
# Loosen the rear axle nut on the right side (27mm) with the breaker bar. | # Loosen the rear axle nut on the right side (27mm) with the breaker bar. | ||
+ | #: [[File:Rear Axle Nut and right adjustment bolt.jpeg|200px|Rear Axle Nut and right adjustment bolt]] [[File:Rear Axle Spacer and left adjustment bolt.jpeg|200px|Rear Axle Spacer and left adjustment bolt]] | ||
# Loosen both left and right belt tension jam nuts (13mm) that face forward inside the adjusting gap. | # Loosen both left and right belt tension jam nuts (13mm) that face forward inside the adjusting gap. | ||
+ | #: [[File:Rear Axle Nut and right adjustment bolt - loosened.jpeg|200px|Rear Axle Nut and right adjustment bolt - loosened]] [[File:Rear Axle Spacer and left adjustment bolt - loosened.jpeg|200px|Rear Axle Spacer and left adjustment bolt - loosened]] | ||
# Turn both left and right adjustment nuts (13mm) one quarter turn at a time until belt tension reads in specification. | # Turn both left and right adjustment nuts (13mm) one quarter turn at a time until belt tension reads in specification. | ||
#* Ensure that the alignment marks on either side of the swingarm indicate that the wheel and belt are aligned. | #* Ensure that the alignment marks on either side of the swingarm indicate that the wheel and belt are aligned. |
Revision as of 06:00, 18 June 2018
The official manual has a good procedure from which this is derived. Check that first.
Alignment of the belt is critically tough to get correct, and needs to be done everytime adjusting tension.
- Video instruction
- How To Adjust Your Belt on Youtube by Mistasam.
- Tools
- 27mm hex socket
- Breaker bar
- Torque wrench set to 75ft/lbs or 102Nm
- 13mm open-end wrench
- Instructions
- Place the motorcycle on a lift or rear stand so the wheel spins freely.
- Loosen the rear axle nut on the right side (27mm) with the breaker bar.
- Loosen both left and right belt tension jam nuts (13mm) that face forward inside the adjusting gap.
- Turn both left and right adjustment nuts (13mm) one quarter turn at a time until belt tension reads in specification.
- Ensure that the alignment marks on either side of the swingarm indicate that the wheel and belt are aligned.
- Roll the wheel forward and track it flush with inside of rear sprocket.
- For proper alignment, the belt will track exactly centered on the wheel sprocket with a 1mm gap to either side of the belt relative to the sprocket.
- Once tension is set and tracking is flush to the inside, tightening the axle nut to 75ft-lbs will tend to nudge belt approximately 1mm to the outside.
- Measure tension by rolling the wheel forward while plucking bottom side of belt or using tension gauge over several revolutions.
- Expect tension to vary slightly as wheel is rotated because front and rear sprockets are only round to a certain design tolerance.
- Check that the belt is aligned with belt tension in the right range.
- Re-tighten the left and right jam nuts (13mm).
- Tighten the axle nut (27mm) with the torque wrench (to 75ft-lbs).