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Rear Shock specifications
http://kawi2strokes.com/forum/viewtopic.php?f=2&t=13395
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Author:  keithwwalker [ Tue May 01, 2018 4:23 am ]
Post subject:  Rear Shock specifications

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

Author:  keithwwalker [ Sat May 05, 2018 8:13 am ]
Post subject:  Re: Rear Shock specifications

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.

Author:  Ja-Moo [ Sat May 05, 2018 9:17 am ]
Post subject:  Re: Rear Shock specifications

Building a special it looks like?

Author:  DGA [ Sat May 05, 2018 11:21 am ]
Post subject:  Re: Rear Shock specifications

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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