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79 series rear spring length

Tech Talk for Cruiser owners.

Moderators: toaddog, Elmo, DUDELUX

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Posts: 762
Joined: Tue Oct 26, 2004 6:46 pm
Location: Diamond Creek

79 series rear spring length

Post by mule75 »

would someone with a 79 series cruiser be able to measure their rear spring length eye to eye following the curve of the spring and also the length from eye to axle centre.

thinking of putting 79 rears under my 75 as i want more length in the spring but i want to keep my axle pretty much where it is.

thanks Dan.
Posts: 89
Joined: Fri Jan 25, 2008 10:34 pm
Location: perth

Post by troopymad »

i dont even need to measure it
its a waste of time it just is too long mate
Posts: 243
Joined: Thu Jul 15, 2004 9:21 am
Location: Townsville

Post by Dane »

Why is it a waste of time troopymad? Too long for what? I don't think he expects it to fit in the existing spring shackle mounting position.

Dan - you will need to reposition your rear mounts for sure and probably the fronts too but I'm not sure about them. If you have a towbar fitted, you will need to relieve the outer side mounting plates to clear the spring shackle mounts. Not a big deal if you are handy with a grinder and welder. Just have it all G-clamped on and get your axle in position and tack it in place.
Posts: 89
Joined: Fri Jan 25, 2008 10:34 pm
Location: perth

Post by troopymad »

will go and measure now
Posts: 89
Joined: Fri Jan 25, 2008 10:34 pm
Location: perth

Post by troopymad »

before i go outside i know they are 172mm longer than a 75s springs
Posts: 89
Joined: Fri Jan 25, 2008 10:34 pm
Location: perth

Post by troopymad »

ok this is pretty close to correct
front eye to center of axle-685mm
rear eye to center of axle -815mm

hope that helps
Posts: 762
Joined: Tue Oct 26, 2004 6:46 pm
Location: Diamond Creek

Post by mule75 »

thanks for that.
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