Sprocket question - Wrist Twisters
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post #1 of 4 Old 07-24-2008, 06:06 AM Thread Starter
Milites Gregarius
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Sprocket question

I'm thinking of going from 16/43 to 15/43 and have a couple of questions.

My 2004 only has 3,000 miles. Do I need to get a new chain when I get a new sprocket?

Install-I assume you just loosen the chain and then remove/replace the sprocket and then tighten? Is it that easy? Instructions?

I'm looking at sprocket specialists. Should I get the "front steel sprocket"? Like this http://www.sprocketspecialists.com/S...?txtSearch=534

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post #2 of 4 Old 07-24-2008, 08:36 AM
Ryan Adams
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I dont think you need a new chain for that application but im sure will get more replies...but the install isnt very hard...you are going to need to get the chain out of the way of the stock front sprocket, should be possible by just taking off the front sprocket cover ...you will probably need two people because you will need a breaker bar to get the sprocket bolt off b/c that bolt should be one of the most torqued bolts on the bike...when you get it off put the new one on, get the chain back on and tighten it, then put the sprocket cover on and you should be ready

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post #3 of 4 Old 07-24-2008, 09:00 AM
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I just replaced my front sprocket last weekend. 3000 miles you shouldn't have any wear on chain so keep it.

Remove the front sprocket cover and loosen the sprocket nut before doing anything else. Be sure the bike is in gear. Once you get that loose, then put the bike up on stand to get rear wheel off ground. Loosen up chain adjusters completely so you can push the rear wheel as far forward as it will go.

Now you'll have enough slack in the chain to pull it off the teeth on the front sprocket. Not a lot of room, but enough. Pull old one off, put new one on. I found it easier to put chain on sprocket before putting sprocket back on. YMMV.

Reverse the process to reassemble. Your rear wheel will be just a bit further back than it was die to smaller front sprocket, so be sure you have it aligned properly when tightening chain adjusters.

The sprockets in your link are all for 520 chains. If your bike is still stock, you've got 530 chain. To switch to 520, you'd need to change out rear sprocket and the chain in addition to front sprocket.

Here's the one I went with. Drive Systems brand. $22. Works with the 919 and the VFR.

2006 Honda 919
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post #4 of 4 Old 07-24-2008, 09:27 PM
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these guys seem to know what their talking about


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