Front sprocket help - Honda Rebel 300 & 500 Forum
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post #1 of 7 (permalink) Old 08-27-2019, 07:56 PM Thread Starter
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Front sprocket help

iíve read the threads on here about changing the front sprockets to less teeth than the original for torque. Iím one that cruises 80-90mph constantly on our California highways. I get that high rpm buzzing that can get annoying. So, first of all Iíd like to know what is the stock size front sprocket. Secondly, I would probably benefit in a bigger sprocket up front. Going up one tooth I would imagine lower my rpm and get rid of my buzzing at that speed. With that said, where would I shop for such a thing if itís possible and are there any instructional vids on this?
I do understand that my speedo would be off too. I would use my gps to keep track of my speed...
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post #2 of 7 (permalink) Old 08-27-2019, 08:52 PM
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Front sprocket on a 500 is a 15 tooth, 16's are available.

Only a fool would attempt it, and God help me, I am that fool.

2018 Rebel 500

Last edited by R80rt; 08-27-2019 at 08:55 PM.
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post #3 of 7 (permalink) Old 08-27-2019, 10:58 PM
rws
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jtsprockets.com and rebelgears.com have front and rear sprockets to change your gear ratio
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post #4 of 7 (permalink) Old 08-29-2019, 11:31 AM
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Going up one tooth in front will make your bike go slower and rpm higher. You have to change it to smaller to get rpm down. Speedo gets its info from abs sensors or front wheel, so it will not be off after changing sprockets

Honda CMX500 Rebel '19
Yamaha BT1100 Bulldog '04
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post #5 of 7 (permalink) Old 08-29-2019, 01:02 PM
rws
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Quote:
Originally Posted by Heido View Post
Going up one tooth in front will make your bike go slower and rpm higher. You have to change it to smaller to get rpm down. Speedo gets its info from abs sensors or front wheel, so it will not be off after changing sprockets
Incorrect on gear info....
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post #6 of 7 (permalink) Old 08-29-2019, 09:08 PM
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I changed the front from 15 to 16 - and had to get a speedo healer. This reduces my rev count at speed by 6%. At some stage I will probably replace the rear sprocket going from 40 down to 38 (for another 5%) because I spend a lot of highway miles. I hit top gear at 80 and sit on 110. Dropping a gear when I'm at the speed limit pushes the revs uncomfortably high (for me - the bike seems fine) - I shoudl really put a tacho on, I would be much happier - I just haven't got round to it yet.
I tried to install an old tacho I had lying around - but it didn;t work. There was probably a reason I had it off the previous bike, but I had forgotten
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post #7 of 7 (permalink) Old 08-30-2019, 09:39 AM
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Quote:
Originally Posted by rws View Post
Incorrect on gear info....
Yep, you are absolutely right. I do not know what I was thinking when I typed the reply. I'm gonna go and be ashamed now
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Honda CMX500 Rebel '19
Yamaha BT1100 Bulldog '04
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