Shock swap? - Honda CBR250R Forum : Honda CBR 250 Forums
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Old 06-07-2012, 08:17 PM   #1
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Default Shock swap?

So has anyone figured out which bigger, more expensive sport bike has a decent shock that will bolt right up on the CBR250R?

This sort of swap is customary on SV650. GSXR and 636 and others bolt right on and are nice equipment, cheap.
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Old 06-07-2012, 09:13 PM   #2
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EX250 is supposed to be a swap, which means the EX500 and maybe older gsxr600's with some work.

Maybe someone could share some others, this was all I could find.
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Old 06-07-2012, 09:14 PM   #3
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They do penske and a few others make a direct bolt on shock. To me you might as well buy one for the bike since they are sprung and valved for these bikes.
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Old 06-07-2012, 10:00 PM   #4
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The point is to do it for $50 not $1100.

CBR is light, so need a popular light higher $ sport bike with plenty of used parts out there. Same suspension geometry I suppose.

Its a long shot.

A while ago, I put an EX500 shock on my old Ex250F8, it helped a lot.
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Old 06-07-2012, 10:28 PM   #5
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I know what you'r saying but what other bikes are out there that are this weight besides a Kawi? I'm one to just bite the bullet and do it correct expecially when it's suspension. And I can get a penske shock for about $600 and even less if I can get a group buy
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Old 12-05-2012, 03:27 PM   #6
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Default What, still no one?

Nobody's done this yet? It looks to me like any early-ish CBR600 (F2?) shock would bolt up, but the remote reservoir on the later ones might be a problem. My biggest question is dimensions of the linkages: bolt hole diameters, bushing widths, etc. Dog bones can be fabbed up to correct for ride height.
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Old 12-05-2012, 05:22 PM   #7
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I put an SV650 shock on mine with a second hole drilled into the lower mount (about 12.25" eye to eye). Raises the rear a bit, stiffer spring, better damping. No downsides for me. I've done plenty of research... if you don't mind jacking up the rear I'd suggest an 06-09 GSXR 600 shock. They're routinely $30-40 on Ebay. I only used the SV shock because I had it laying around.
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Old 12-05-2012, 05:27 PM   #8
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Quote:
Originally Posted by BBRMotosports View Post
I know what you'r saying but what other bikes are out there that are this weight besides a Kawi?
Since the CBR is sprung for midgets why would you want to keep a similar spring rate?

My other racebikes have Penskes, but I can't see spending the $$$ on the CBR- kinda defeats the idea of CHEAP racing. With a bike this light and slow, the cheapo swap does amazingly well (street and track).
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Old 12-05-2012, 07:36 PM   #9
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Quote:
Originally Posted by racerrrrx View Post
I've done plenty of research... if you don't mind jacking up the rear I'd suggest an 06-09 GSXR 600 shock.
how high is jacking up the rear? are we talking 1" or 3"?
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Old 12-05-2012, 11:23 PM   #10
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I measured the stock CBR shock at 11 5/8" and the modified SV shock at 12 1/4", the 06-09 GSXR is 12.6" I didn't measure seat height before and after but I'd guess mine is 1-1.5" higher with the SV shock. Like Boomer said, that could easily be tweaked with different dog bones. There's some adjustable links on Ebay for like $40 that would be perfect to dial in ride height. My CBR still feels like a chopper compared to my R6, plenty comfy for commuting duty.
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