SP fork cartridge swap?

AFM327 · Post by **AFM327** » Thu Apr 30, 2009 1:04 am

Anyone swapped cartridges? Was re-reading the magazine piece on the RMKD bike and noticed they had put GSXR cartridges in theirs. Anyone put in Ohlins carts or the like? I'm due to have the forks serviced and thought I might upgrade them while they're off the bike.

Ballsout Racing · Post by **Ballsout Racing** » Fri May 01, 2009 12:45 pm

I know of someone who has. Steve Jordan of http://www.stevejordanmotorcycles.co.uk/ Motorcycles did it for him

AFM327 · Post by **AFM327** » Sat May 02, 2009 3:37 pm

Ballsout Racing wrote:I know of someone who has. Steve Jordan of http://www.stevejordanmotorcycles.co.uk/ Motorcycles did it for him

What did he do, GSXR, Ohlins?

will#224 · Post by **will#224** » Mon May 04, 2009 6:28 pm

I was looking at some srad gsxr forks and externally they look very very similar.

Maybe they were near enough a straight swap?

I wondered if none sp forks could be made 'sp' just by inserting a cartridge fork and drilling the fork leg to fit the compression adjuster

Ballsout Racing · Post by **Ballsout Racing** » Tue May 05, 2009 9:08 pm

AFM327 wrote:
Ballsout Racing wrote:I know of someone who has. Steve Jordan of http://www.stevejordanmotorcycles.co.uk/ Motorcycles did it for him

What did he do, GSXR, Ohlins?

Ohlins. IIRC it required some machining to get them to fit.

edit: Actually, they were standard, not SP forks; but I guess it would be the same?

AFM327 · Post by **AFM327** » Wed May 06, 2009 6:57 am

I've got a couple sets of gsxr cartridges I'm going to try out. Let you all know how it works out.

Post by **mick41zxr** » Fri May 08, 2009 12:59 pm

SP cartridges are same as standard. GSXR cartridges are a big improvement in the rebound circuit & relatively easy to fit, need to be shortened 10mm. Have done these & a couple of 25mm kits into ZXR's. A bit of thought anything can be made to fit.
Regards MB

ian rycroft · Post by **ian rycroft** » Sun Jul 12, 2009 9:41 pm

mick41zxr wrote:SP cartridges are same as standard. GSXR cartridges are a big improvement in the rebound circuit & relatively easy to fit, need to be shortened 10mm. Have done these & a couple of 25mm kits into ZXR's. A bit of thought anything can be made to fit.
Regards MB

can you tell me what year and model gsxr cartridges you can use,i have a set of zxr400 sp forks and one wont damp,so would like to try them,thanks,ian

Post by **mick41zxr** » Mon Jul 13, 2009 1:31 pm

1996-2001 these have a 12mm damper rod, so when you shorten them take the tops down to fit the zxr fork caps.
The larger damping rod pushes more fluid through the cartridge & rebound needle is in the rebound valve mounting boss not the cap, so a big improvement over the zxr cartridge.
Regards,
MB

ian rycroft · Post by **ian rycroft** » Mon Jul 13, 2009 11:06 pm

thanks for the reply MB,Ian

www.zxrworld.co.uk

SP fork cartridge swap?

SP fork cartridge swap?

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