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Old September 6th, 2012, 11:55 PM   #1
tac12345
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suspension question

Hi everyone !

i already bought new spring + emulator for my front suspension, but i was wondering if changing the rear for a 2 way shock relly improve the experience on the street. I saw an extensive review here for the rpm 2 way, but it was for track.

what do you think people ?
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Old September 7th, 2012, 06:14 AM   #2
csmith12
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For around $30USD you can get a gsxr shock and some bones to get it set up. To me it's worth it, if your 99% commuter rider, maybe not so much.

Questions for you.

What is your rear preload setting set to now?
How much weight are you putting on the bike, rider with gear and luggage?
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Old September 7th, 2012, 09:51 PM   #3
jman511115
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Quote:
Originally Posted by tac12345 View Post
Hi everyone !

i already bought new spring + emulator for my front suspension, but i was wondering if changing the rear for a 2 way shock relly improve the experience on the street. I saw an extensive review here for the rpm 2 way, but it was for track.

what do you think people ?
Quote:
Originally Posted by csmith12 View Post
For around $30USD you can get a gsxr shock and some bones to get it set up. To me it's worth it, if your 99% commuter rider, maybe not so much.

Questions for you.

What is your rear preload setting set to now?
How much weight are you putting on the bike, rider with gear and luggage?
Just did the GSXR shock today. It rides way better, handles a little bit better over bumps (wasn't pushing it) and feels like it's sticking down much better. Haven't really gotten to thrash it though. Got mine for $20.36 shipped. Preload is backed off all the way, and I haven't messed with the damping yet. If you're not going to the track every weekend (and maybe even if you are) just get a GSXR or ZX6R shock and modify it to fit.
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Old September 13th, 2012, 03:04 AM   #4
tac12345
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Quote:
Originally Posted by jman511115 View Post
Just did the GSXR shock today. It rides way better, handles a little bit better over bumps (wasn't pushing it) and feels like it's sticking down much better. Haven't really gotten to thrash it though. Got mine for $20.36 shipped. Preload is backed off all the way, and I haven't messed with the damping yet. If you're not going to the track every weekend (and maybe even if you are) just get a GSXR or ZX6R shock and modify it to fit.
you bought your shock from what model exactly? and what kind of modification did you done to fit the shock on the bike?
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Old September 13th, 2012, 04:02 AM   #5
psych0hans
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Quote:
Originally Posted by tac12345 View Post
you bought your shock from what model exactly? and what kind of modification did you done to fit the shock on the bike?
An 05-07 shock should do, from what I know. Some people find the spring to be TOO hard, so consider upgrading to a new custom spring or buying one off a gsxr1000 I think an 03'-04' should do...
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Old September 13th, 2012, 09:27 AM   #6
jman511115
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Quote:
Originally Posted by tac12345 View Post
you bought your shock from what model exactly? and what kind of modification did you done to fit the shock on the bike?
From a 2008 GSXR 600. The shock didn't require much. All you have to do is drill out the mounting holes, because the bolts that are stock on the ninja are a bit larger. To make the bike fit the shock though, a few things had to be done. The knuckle that the dogbones, shock, and frame attatch to had to be ground down a bit, because the yoke on the bottom of the GSXR shock is slightly narrower than the one on the stock ninja shock. I had to use washers as spacers under the dogbones along with longer bolts, because the GSXR spring is slightly larger in diameter than the ninja spring. And finally, the mud guard had to be trimmed very minimally to clear the shock. Overall, it was a very easy mod once I found the new bolts and washers.

As for the spring, it's just right for me. It's less harsh than the stock ninja spring, and it reacts more quickly.
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