shock oil weight in a 2004 cr250 shock

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9/7/2018 3:54 PM

I've looked everywhere and i can't find any info. Does anyone know the weight of shock oil that comes stock with this shock? Im looking to do a fluid change and can't find any info on this.


9/7/2018 4:32 PM

2.5 or equivalent


9/7/2018 5:27 PM

2004 CR250 Showa shock use's SS-7 5w showa suspension fluid or 5wt. equivalent.


9/7/2018 5:45 PM

have you tried race tech database. when you search for spring rates it also display wear parts and oils


9/7/2018 6:01 PM

You need an oil with a 'high viscosity index' , means it doesn't thin out too much when it gets hot. You want an oil with an ISO (lnternational Standards Organization) weight of 11.0 (Bel Ray HVI-3) or 15.0 (Ohlins shock oil).

All oils have an ISO rating, just go to their online 'data sheet', SAE 5w type ratings are old school and not exact.


Melbourne, Australia. Current rides: '11 RMZ450, '84 CR500, '06 DRZ400, '79 KX250 with 400 engine, '06 GSXR1000 full Yosh racebike.

9/7/2018 8:18 PM

I use KYB oils in all my motorcycles and never had an issue either Showa or KYB.


Don’t piss off the old people - the older they get the less “life in prison” is a deterrent for them!

2020.5 KTM 450 SXF FE
2006 KX250

9/7/2018 10:41 PM



2 Stroke, Drum Brakes, Finned Cylinders!!!

9/7/2018 11:14 PM

ctbale wrote:


Welcome to 1973.


The older I get, the faster I was.

9/8/2018 5:57 AM

thanks guys, factory connection got back to me and and they said to use 2.5 in the stock shock