Time for new chain and sprockets

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12 Jul 2015 15:32 #680577 by KZB2 650
Replied by KZB2 650 on topic Time for new chain and sprockets
Any one ever try a NEP nylon rear sprocket or remember hearing about them ? I see one just sold for a Honda on ebay (nos) .......... Were around in the early 80s I think and I almost bought into one till I read the bigger bikes were tearing them up and they went away ........ I was always looking for a weight savings back then and almost fell for one..........

1978 KZ650 b-2
700cc Wiseco kit 10 to 1.
1980 KZ750 cam, ape springs, stock clutch/ Barnett springs.
Vance and Hines Header w/ comp baffle and Ape pods, Dyna S and green coils, copper wires.
29MM smooth bores W/ 17.5 pilots, 0-6s and 117.5 main
16/42 gearing X ring chain and alum rear JT sprocket.

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  • SWest
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12 Jul 2015 15:36 #680579 by SWest

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12 Jul 2015 17:58 - 12 Jul 2015 18:00 #680596 by missionkz
Replied by missionkz on topic Time for new chain and sprockets
Well I'm wondering if I have been running with a wheel alignment problem all these years because I've never gone more than 14,000 miles on a chain. Yes I did a lot of hotdogging with it over the years.
How inaccurate are the factory swing arm marks ?

Bruce
1977 KZ1000A1
2016 Triumph T120 Bonneville
Far North East Metro Denver Colorado
Last edit: 12 Jul 2015 18:00 by missionkz.

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12 Jul 2015 18:25 #680600 by SWest
Replied by SWest on topic Time for new chain and sprockets
I've heard they arn't that acurate. Also when they went to the O ring chain, the countershaft sprocket has a spacer built in. The rear was supposed to have a spacer too.


I lost mine long ago. This guy wants $50 and no one will buy it. I've been planning on making one myself but haven't gotten around to it.
When I change my tire, I get up to speed, put on my cruse control, take my hands off the bars. If it pulls, I'll readjust it.
Steve
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12 Jul 2015 18:54 #680608 by 650ed
Replied by 650ed on topic Time for new chain and sprockets

missionkz wrote: Well I'm wondering if I have been running with a wheel alignment problem all these years because I've never gone more than 14,000 miles on a chain. Yes I did a lot of hotdogging with it over the years.
How inaccurate are the factory swing arm marks ?


Did you replace both sprockets when you installed a new chain? Putting a new chain on used sprockets will kill the chain early; putting an old chain on new sprockets will kill the sprockets early. This is because the chain and sprockets wear together so mixing old with new means the pitch between the sprockets and chain differs, and this will prematurely wear the new component.

Also, be sure to leave 1" up&down slack at the chain's tightest section when adjusting the chain. This is because as the swingarm & axle approach a straight line extended from the center of the engine sprocket and center of the swingarm pivot the chain gets tighter. Ed

1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

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12 Jul 2015 20:04 #680619 by SWest
Replied by SWest on topic Time for new chain and sprockets
It also depends on the shocks and the weight of the rider.
Steve

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12 Jul 2015 20:57 - 12 Jul 2015 20:58 #680629 by kaw-a-holic
Replied by kaw-a-holic on topic Time for new chain and sprockets
FYI
EK 530 ZVX 10560 tensile strength gold or chrome
DID 530 ZVM 10360 tensile strength
RK 530 GB530GXW 10000 tensile strength
Tsubaki Sigma or HQR 10600 tensile strength

Z1 630 to 530 conversion guide

+1 on proper tension and new sprockets with the new chain. You will get a better chain for the money going to 530.
I use PJ1 chain lube. I would advise looking at Manufacturer recommendations. For cleaning and lube. The last one I purchased was X-ring and it had not stretched maybe 1 notch in 5K miles. Cleaned it and lubed it every 300-500 miles. I prefer to ride the bike for about 10-15 minutes to warm up the chain then clean it and lube it.

Oh and if you go O/X-ring make sure you scrub the chain with something like this, You can buy cheap ones at Walmart for under $10.



Jon
1977 KZ1000a1
Mesa, AZ
Phoenix Fighter Project
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Last edit: 12 Jul 2015 20:58 by kaw-a-holic. Reason: added photo

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12 Jul 2015 23:13 - 12 Jul 2015 23:15 #680639 by dom2570
Replied by dom2570 on topic Time for new chain and sprockets

bountyhunter wrote:

missionkz wrote: 77' KZ1000A1
I see 630 O'ring stuff on eBay... MUCH less $$ then what I paid for mine a few years and thousands of miles ago.. which red flags my attention as being cheap Chinese crap.
Any suggestions?

Never buy anything off ebay that can directly affect your survival.....


I learned this the hard way; a cheap O-ring chain snapped after about two months at 70mph on the highway about a year ago. :unsure:

Friday, I did the 630 to 530 chain conversion on my 750. I went with JT sprockets 16/38 and a JT X1R xring chain. I have put about
250miles on it so far. So far it feels much better then the DID standard 630 I had on it last season.

Whip it like a mule!
Last edit: 12 Jul 2015 23:15 by dom2570.

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27 Jul 2015 12:36 #683009 by missionkz
Replied by missionkz on topic Time for new chain and sprockets
No eBay APP ID and/or Cert ID defined in Kunena configuration

pete greek1 wrote: www.google.com/url?sa=t&rct=j&q=&esrc=s&...PqxdRC0R_OQv_vmqTaXw
Pete

Is this thing any good?


Bruce
1977 KZ1000A1
2016 Triumph T120 Bonneville
Far North East Metro Denver Colorado

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27 Jul 2015 12:57 #683012 by SWest
Replied by SWest on topic Time for new chain and sprockets
Don't know. I had one for a 630 But was stolen. I think I paid $50 for it.
Steve

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27 Jul 2015 13:26 #683016 by pete greek1
Replied by pete greek1 on topic Time for new chain and sprockets
I've only used it once, & it worked for me, ....I watched a you tube video 1st, to make sure I did it correctly,
It's a lot less $$ than some of the other brands, & It's not a tool that you use very often, ...so far so good
Pete

1980 LTD 1000..,1976 LTD 900, have the 1000&900 now. the rest are previous= 1978 KZ 650 B.., 1980 Yamaha XT 500..,1978 Yamaha DT 400.., 1977 Yamaha yz 80..,Honda trail ct 70.., Honda QA 50...5-1/2 hp brigs & straton CAT chopper mini bike...3-1/2 hp mini bike (WHEN GAS WAS ABOUT 45 CENTS A GALLON)!!!!

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27 Jul 2015 13:29 #683017 by jackleberry
Replied by jackleberry on topic Time for new chain and sprockets
No eBay APP ID and/or Cert ID defined in Kunena configuration

missionkz wrote:

pete greek1 wrote: www.google.com/url?sa=t&rct=j&q=&esrc=s&...PqxdRC0R_OQv_vmqTaXw
Pete

Is this thing any good?


Yes. I have the same one. Works fine. You'll definitely want to use a dremel to grind the head off of any rivets you want to break first though.

1997 KZ1000P (P16)
2001 KZ1000P (P20)

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