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PostPosted: Tue May 01, 2018 4:23 am 
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Joined: Mon Aug 15, 2011 3:01 pm
Posts: 28
Location: Portland, Oregon
Looking for 1975 H2C rear shock specifications:

Length 325mm
Stroke length ?
Swingarm Pivot to Ground height (with bike level & unloaded) ?
Bike Weight Over Front Wheel (unladen) ?
Bike Weight Over Rear Wheel (unladen) ?
Maximum Wheel Travel Allowed (to keep swingarm from impacting frame) ?

My bike is in parts so I can't pull these numbers right now. Any help is appreciated. Remember, 1974 and before have shorter swingarm so not helpful

Thanks
kww

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2004 Service Honda CR500AF
1975 H2-750
1973 CL450
1972 T500

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PostPosted: Sat May 05, 2018 8:13 am 
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Joined: Mon Aug 15, 2011 3:01 pm
Posts: 28
Location: Portland, Oregon
Here are my dimensions that I measured in millimeters. This for my 1975 H2C
A 315 Rear Axle to Ground (bike level)
B 370 Swingarm Pivot to Ground (bike level)
C 600 Swingarm Pivot to Upper Shock Mount
D 325 Extended Shock Length (fully extended)
E 248 Collapsed Shock Length (fully collapsed, no bump stop, must have tyre to mudguard/frame clearance).
F 510 Swingarm Pivot to Lower Shock Mount
G 530 Swingarm Length (swingarm pivot to axle in middle position)
H 40 Lower Shock Mount to Swingarm Centreline (perpendicular to swingarm axis)
I 14 Upper Eyelet Bolt Diameter
J 20 Uper Eyelet Width
K 10 Lower Eyelet / Bearing Bolt Diameter
L 20 Lower Eyelet / Bearing Width
M 92 Maximum Wheel Travel Allowed
N 111.8 Bike Weight Over Front Wheel (unladen) KG
O 270.6 Bike Weight Over Rear Wheel (unladen) KG
P 154.6 Bike Weight Over Front Wheel (laden)
Q 370.4 Bike Weight Over Rear Wheel (laden - rider should adopt riding position applicable to the intended use of the bike)

The weights are in KG and assume weight distribution of 40% front/60% rear (unladen and full tank) and 30% front/70% rear of rider weight.
Shock travel is about 3" assumed.

If anyone has any corrections, please let me know, appreciated.


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2004 Service Honda CR500AF
1975 H2-750
1973 CL450
1972 T500

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PostPosted: Sat May 05, 2018 9:17 am 
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Joined: Tue Jun 07, 2011 6:37 am
Posts: 10460
Location: Rio Rancho, New Mexico
Building a special it looks like?

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Twist the throttle, tilt the horizon, and have a great time. What triples are all about...........


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PostPosted: Sat May 05, 2018 11:21 am 
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Joined: Thu Sep 29, 2016 4:32 am
Posts: 615
Location: Indianapolis, IN
My H2B has a 48/ 52 percent front/ rear weight bias. I have lowered the front about 1.5" but still would be a long way off 40/60 I bet. H2B and H2C have the same longer swing arm.

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1974 Kawasaki H2B 750, 1981 Yamaha XV750 Cafe, 1986 Kawasaki KDX200, 2003 Honda XR100, 2004 SDG140. 2006 Ninja 500R Turbo intercooled fuel injected.


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