Motor difference?

monty732
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16 May 2010 07:24 #368240 by monty732

Motor difference? was created by monty732

What is the difference(if any) between a J and M motor?

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otakar
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16 May 2010 07:27 - 16 May 2010 07:27 #368241 by otakar

Replied by otakar on topic Motor difference?

What is an "M" motor? I know what a "J" mptor is but have never heard of an "M" motor.

74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000

Last edit: 16 May 2010 07:27 by otakar.

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otakar
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16 May 2010 07:29 #368242 by otakar

Replied by otakar on topic Motor difference?

Are you talking about the motor that is in a KZ1000-M (CSR)?

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Mcdroid
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Gone Kwackers

16 May 2010 08:04 #368250 by Mcdroid

Replied by Mcdroid on topic Motor difference?

otakar wrote:

Are you talking about the motor that is in a KZ1000-M (CSR)?

:laugh: That's what I was thinking but one never knows.

Michael
Victoria, Texas

1982 GPz750
1977 KZ1000A
1978 KZ1000A
1982 GPz1100
1975 Z2A

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Patton
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16 May 2010 08:34 #368252 by Patton

Replied by Patton on topic Motor difference?

monty732 wrote:

What is the difference(if any) between a J and M motor?

Here's a link to some fine info:

Click > www.aperaceparts.com/tech/techkz1000.html

Good Fortune!

1973 Z1
KZ900 LTD

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otakar
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16 May 2010 08:47 #368257 by otakar

Replied by otakar on topic Motor difference?

Patton wrote:

monty732 wrote:
What is the difference(if any) between a J and M motor?

Here's a link to some fine info:

Click > www.aperaceparts.com/tech/techkz1000.html

Good Fortune!

OK General That is a cop out way out. :lol: Where in that APE page do it talk about a "M" motor? :lol:

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hocbj23
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16 May 2010 08:51 #368258 by hocbj23

Replied by hocbj23 on topic Motor difference?

the 81-82 LTD and CSR bikes are designated K models and M models.They are both powered by the 998 cc motor and produce 92 hp stock.They have a 107 mm trail and a 4.6 final drive ratio and are more of a cruiser type bike.The 81-82 J model bike is the sportier of the 3. It also has a 998 cc engine, but produces 102 hp.It has a 99mm trail and a 4.9 final drive so should handle better and run faster (theoretically).I believe it gets its extra 10 hp from valve timing.The K and M bikes have pull back bars,a shorty front fender and a stepped set and the J bike has straight bars, a long front fender and a flat seat.Ive seen lots of LTDs and some CSRs but dont think Ive ever seen a J model except in pics.Other than tuning,I believe the motors are identical. Hope this helps.bj.

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hocbj23
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16 May 2010 08:57 #368261 by hocbj23

Replied by hocbj23 on topic Motor difference?

Bump.The J and LTD have electric tachs and speedos and the CSR has cable driven units.We have found that out the hard way.Lol.bj

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Buda
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16 May 2010 09:27 #368268 by Buda

Replied by Buda on topic Motor difference?

The cams are different, K and M are the same J hotter

1982 KZ 1170 LTD
10.25 to 1 comp
K&N pods
GPZ cams
Vance&Hines pipe with comp baffle
dyna coils and wires
97 Valkyrie Standard

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