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Author Topic: 530 - 630 chain swap fitment, solved!  (Read 1121 times)

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Offline Don R

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530 - 630 chain swap fitment, solved!
« on: August 22, 2010, 08:51:49 AM »
I have a 77K in the shop, it needs a chain and sprockets needs to be finished soon and cheap. I have a good k4 chain and sprockets from another bike. After searching I have found a lot of opinion and argument. All I need to know is, will the smaller chain and sprockets bolt on or do I need to change out other parts also? Alignment OK?
« Last Edit: August 26, 2010, 09:47:09 AM by Don R »
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Offline Don R

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Re: 530 - 630 chain swap fitment, yes or no?
« Reply #1 on: August 24, 2010, 10:23:06 PM »
No, Don they don't fit and if you search chain conversion and not chain swap you will find a wealth of information.

OK now that I know the parts don't fit, I need a front adapter sprocket. Where is the best place to get one? Is there a consensus on whether the rear wheel neds to be shimmed?
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Offline 77cafe750

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Re: 530 - 630 chain swap fitment, yes or no?
« Reply #2 on: August 24, 2010, 10:55:37 PM »
i run jt sprockets they will make them in just about any pitch u want
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Offline Don R

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Re: 530 - 630 chain swap fitment, yes or no?
« Reply #3 on: August 25, 2010, 03:55:43 PM »
Thanks, I will also check Spacely Sprockets and Cogswell Cogs.
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Offline Terry in Australia

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Re: 530 - 630 chain swap fitment, yes or no?
« Reply #4 on: August 25, 2010, 05:04:14 PM »
Bad day Don? Actually, a 630 front sprocket off a K0-K6 will go straight onto your output shaft (same spline) but will move laterally, which might be a good thing, (self aligning?) or you could probably shim it. Cheers, Terry. ;D
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Offline dusterdude

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Re: 530 - 630 chain swap fitment, yes or no?
« Reply #5 on: August 25, 2010, 05:04:32 PM »
Quote from: 77cafe750 on August 24, 2010, 10:55:37 PM
i run jt sprockets they will make them in just about any pitch u want
yea,if you can get them #$%*s to return an email
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Offline 77cafe750

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Re: 530 - 630 chain swap fitment, yes or no?
« Reply #6 on: August 25, 2010, 07:46:00 PM »
i havent used them lately but in the past i had no issue with them
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Offline Don R

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Re: 530 - 630 chain swap fitment, yes or no?
« Reply #7 on: August 25, 2010, 09:12:33 PM »
Quote from: Terry in Australia on August 25, 2010, 05:04:14 PM
Bad day Don? Actually, a 630 front sprocket off a K0-K6 will go straight onto your output shaft (same spline) but will move laterally, which might be a good thing, (self aligning?) or you could probably shim it. Cheers, Terry. ;D




No, just my wierd humor ;D  Really? The splines on the 77 look a lot different, I was hoping to just do a quick swap and move this project to it's intended owner. It's not done yet and I have 2 weekends of racing and it's only 3 building days to this dudes intended christmas.
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Offline Don R

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Re: 530 - 630 chain swap fitment, yes or no?
« Reply #8 on: August 26, 2010, 09:46:50 AM »
OK I finally figured it out, the front sprocket I got that was supposed to be from a K4 is really from a twin cam honda, 79 or 82! No wonder it didn't fit. Thanks for getting me enough info to know it should work. Solved.
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