Yoshimura cam #103-01

  • Oldz1guy
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29 Aug 2010 19:17 #394886 by Oldz1guy
Yoshimura cam #103-01 was created by Oldz1guy
Hi Everyone

Just wondering if anyone has ever heard of Yosh cam #103-01 for the z1's? Lift is supposedly .145 Intake and .120 Exhaust.

Thanks in Advance

Brad

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29 Aug 2010 19:55 #394899 by PLUMMEN
Replied by PLUMMEN on topic Yoshimura cam #103-01
motor wouldnt run with those lift numbers! :laugh:
Still recovering,some days are better than others.

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29 Aug 2010 20:10 - 29 Aug 2010 20:22 #394903 by otakar
Replied by otakar on topic Yoshimura cam #103-01
PLUMMEN wrote:

motor wouldnt run with those lift numbers! :laugh:


Oh it would run alright! You could pull tree stumps with it, Literally! That motor would be for a tractor, not a motorcycle. :laugh: :woohoo: I think he might mean .345 and .320 this would be close to a Z3 cam setup. Yoshimura was one of the few cam makers that did not use identical cam lifts for both intake and exhaust. I have a set of Yoshi Bonneville cams that are .380/.360 respectively. This leads to a very torquie motor. This is why on my GPz1150 I chose to go with .420/.410 setup. It works grate.
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: 29 Aug 2010 20:22 by otakar.

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  • Oldz1guy
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30 Aug 2010 19:06 #395120 by Oldz1guy
Replied by Oldz1guy on topic Yoshimura cam #103-01
On the cam shaft close to the cam sprockets both cams have a #2 on them. Also on the ends of the cam there is a B on both. Any idea????????????

Brad

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31 Aug 2010 04:53 #395168 by otakar
Replied by otakar on topic Yoshimura cam #103-01
It has been a long time since I looked at my cams in the Z1R. Pictures would help.
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

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  • larrycavan
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31 Aug 2010 06:11 #395179 by larrycavan
Replied by larrycavan on topic Yoshimura cam #103-01
Oldz1guy wrote:

Hi Everyone

Just wondering if anyone has ever heard of Yosh cam #103-01 for the z1's? Lift is supposedly .145 Intake and .120 Exhaust.

Thanks in Advance

Brad


Measure them. Measure the height of the entire lobe from the bottom of the base circle to center of the lobe tip.

Turn it sideways and measure only the base circle. It's probably 1.110"

Then subtract the base circle from the first measurement. That is the lift.

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