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Old 06-24-2010, 09:50 PM   #1
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front sprocket

ive been hearing a lot about changing the front sprocket minus one.. plus 2

whats the difference? pros? cons? i havent done this before
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Old 06-24-2010, 09:53 PM   #2
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the -1 will probably do enough changing for you. acceleration will be pretty different with a loss of about 10 mph in top end. i went -1 + 2 since im a big guy and i got the acceleration i was looking for with about 30 lost off the top.
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Old 06-24-2010, 09:54 PM   #3
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Getting a smaller sprocket gives you more torque to the wheel, at the expense of fuel economy (engine revs at a higher rpms)

The opposite is true if you use a bigger front sprocket.
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Old 06-25-2010, 07:59 AM   #4
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You just dont want to get too small on the front. Its on chains. Try -1 and if you want more add one or 2 to the rear. IMO
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Old 06-25-2010, 08:05 AM   #5
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like i said thats what i did and its a nice change.
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Old 06-25-2010, 08:07 AM   #6
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I actually wouldnt add less than 2 to the rear. +2 rear is close to -1 in the front. I think its a 2.5-1 ratio.
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Old 06-25-2010, 08:21 AM   #7
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Anyone know how to do a sprocket change on a pocket bike? I need the front one to give more torque.
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Old 06-25-2010, 08:29 AM   #8
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I did it on my 09 and the torque is much better. -1 in the front is a must on the FZ6. It should have come from the factory that way IMO.
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Old 06-25-2010, 08:32 AM   #9
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anybody have an air comp/impact near friendswood that wants to help me change mine?? does a smaller front sprocket damage the tranny?....
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Old 06-25-2010, 08:37 AM   #10
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anybody have an air comp/impact near friendswood that wants to help me change mine?? does a smaller front sprocket damage the tranny?....
No reason it should cause damage
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Old 06-25-2010, 08:42 AM   #11
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When you go to break it loose do it with the chain ON. Use the rear break to keep the counter shaft sprocket from turning. If you pull the chain off first you will be impacting against the gears in the tranny.
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Old 06-25-2010, 12:27 PM   #12
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^^^^^^^^Another good thing to do is to find a 2x4 and put it throught the spokes and wedge it against the swing arm when taking the nut off. Works a lot better than trying to hold the brake and the 2x4 will not scratch or damage anything. Also you don't really need an air compressor and an impact to remove it. Just a good size breaker bar and socket.
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Old 06-25-2010, 12:29 PM   #13
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Quote:
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anybody have an air comp/impact near friendswood that wants to help me change mine?? does a smaller front sprocket damage the tranny?....
It won't damage the tranny at all. You may have a little more chain wear, but not enough to matter as long as you keep it maintained.
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