Hawk chain
I was not given a owners manual, also I can not find it on the Internet. Im replacing my chain and sprockets I went from factory 15-50 to 17-45, but my chain seems loose. Does anyone know the factory measurement and from where to take the measurement?
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MotoCheez used this on his Hawk: http://www.amazon.com/dp/B004ZG7X14
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That 125cc rating has to be some sort of typo/error.
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not really, the 428 is not a very big chain. get a quality one. *most hi pro 250's use the larger 520.
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http://www.cycleworld.com/2015/08/28...torcycle-chain You want the chain reasonably snug but not too tight, a couple inches, say 1.5 - 2" freeplay up and down is what I would do... Curious, why are you replacing the chain? Removing a link is not that difficult is your stock chain is too long with the new sprockets. http://tkmotorcyclediaries.blogspot....ster-link.html |
There are 125cc motorcycles that produce over 40 horsepower. A good quality chain like the 428 size RK or DID will handle the Hawk's massive horsepower, no problem.
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Yeah I planned on roughly 2inches, just wish I could track down the OM thanks guys!
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For what it's worth, from the RPS Owner's Manual, page 42:
4. Turn both adjusting nuts the same amount of turns until you have reached the correct slack. To tighten the chain, turn the adjusting nuts clockwise. To loosen the chain (provide slack) turn the adjusting nuts counter-clockwise. Adjust the slack in between the drive sprocket and the rear wheel sprocket. Move the bike forward, stop and park it on the side stand. Recheck the slack, it should allow vertical movement by hand: 9/16 inch (15-30mm) From my own experience, I now believe this. I didn't think this was correct from my ancient dirt bike experience and everything else I read. However, it also demonstrated to give the owner's manual the benefit of the doubt over the internet. When I did my first adjustment - I set a little extra slack, 1-2" because that just seemed more logical. I quickly found out that wasn't a good choice. Chain jumped, cracked my front sprocket cover (17t front, so no space), and carved up the rear axle area a bit. Luckily it didn't break, and it's been holding up good enough after getting readjusted to spec. I do think you'll want to err on the side of tightness if you stay with the stock chain. They have a couple of pages dedicated to maintaining the chain in the owner's manual. Here's a link if you didn't get a paper one included: http://therps.net/User%20Manual/Hawk...s%20Manual.pdf |
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Also I was already going to change the chain. Once I got the bike I could tell the chain was cheap. Which is expected. There is going to be cheap factory parts for any new bike under 3 grand |
Are there any cheaper but still good chain options that you have used?
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I have been using UniBear for several years now, and I just ordered one for the Mrs. Bashan WILL200 a week or so back, was only $17 or so with 'prime shipping' for a 136 link 428 X-Ring chain from UniBear/Amazon :) ... I had to cut several links off to fit our bike but I didn't feel like counting the links on my old chain and our book was no help in how many links on the stock chain :hehe:
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