Posts
332
Joined
12/16/2015
Location
Mcalester, OK
US
Edited Date/Time
5/19/2022 7:12am
Its becoming more and more difficult to find RM parts these days. Ive read a few threads saying that some of the parts from RMZs will fit on the last gen RM (04-08). Does anyone know if the axle blocks from the RMZ will fit the RM? What other parts will interchange?
Cooper 688 did this to his RM (see his insane RM250 bike check)
Quite a few RMZ parts work on an RM, some take more work than others.
I have a 2008 RMZ Ohlins TTX shock on my 08 RM250 (direct bolt on fit), most RMZ shocks will work on an RM.
RMZ forks will work if you use an RMZ front wheel and spacers, newer RMZ front ends have larger diameter forks so you will need to bore out your lower RM clamp to suit (another mod I've done to mine and put an entire seasons riding on)
Some RMZ triple clamps bolt strait on (such as Pro Circuit) Others can be made to work if you use the RM steering stem (Neken). Steering stops would need to be added for both however.
An RMZ front brake system is a direct fit, along with RMZ 270mm oversize kits (and Ride Eng Brake Caliper - dbrunski can confirm this)
I've used an 05-07 RMZ linkage arm (1.5mm longer Pro Circuit Link) on my RM, this was a direct fit. I've not tried a linkage from a later model RMZ though.
RMZ clutch fibers work in an RM
RMZ Reservoir Caps fit RM's
Oil Filler Caps are the same
The following WILL NOT fit from RMZ to RM:
Seat
Rear brake caliper/bracket
Clutch Basket
Clutch Hub
Pressure Plate
Swingarm
Rear Wheel (it might with different bearings and custom spacers)
Brake Discs
Headstock Bearing Kit
If your curious about other parts I have missed out then shoot me a message. I have a 15 RMZ450 and 08 RM250 so I can have a play and see what works and what doesn't
The Shop
There's one with the A Kits, one with the RMZ SFF TAC's and one of me riding it for good measure!
Nor will the wheels.
Pretty much all of what I listed above wont actually work with the 02 125, as a lot of things such as suspension and linkage, frame etc are a lot different on the 02 125. Therefore the rear shock wont interchange. Clamps from an RMZ may fit but the offset is way different between RMZ and 02 RM125. I'm pretty sure the brakes are completely different too, but may still interchange. 125 clutch parts are different so none of the RMZ clutch parts will work in the 125
The engine from 03 to newer were very similar. The 03 engine has a lower exhaust port and slightly smaller sub exaust ports, different inner clutch hub splines also changed for every year rm, lighter power valve governer spring, lighter shift detention spring, different carb jetting and richer carb slide, slightly lighter crank and of course slightly different pipe mount.
will rmz up to 2017 wheels fit on a 2001 rm 125
On the front, it can be made to fit, but you will have to mess around with axle, bearings and spacers
I’ve been building my 07 and have been testing with a lot of different bike parts so I can have aftermarket oarts
As for wheels on my 07 RM250
The front wheel I used an 03-08 tusk (ordered for 2008) yz250 as the share the same axle diameters and used my stock wheel spacers.
The rear wheel is a different story and this is where people with bad info should never comment comes into play so I seen multiple posts saying the 06 KX250F rear wheel works, so I ordered one, it does fit perfectly in the swingarm I’ll give them that part but the axles are different, after looking for a place to make me custom bearings to fit the hub I had 0 luck, then I thought about boring swing arm and everything to use the kxf axle..I ended up finding bearing sleeves on amazon that were (22mm ID and 25mm OD 20mm long) 3 of them fit perfectly into the hubwith with enough sticking out tonsit the wheel spacers on greased the bearings (not much grease from factory inside the bearing after pulling dust covers off) and that’s how I got the KX250F wheel to work on my RM250
After a little research i found that the 03-08 yz250 also shares the same axle diameter and only obvious thing I could see is the 2 bearing hub compared to 3 in the Kawi and Suzuki’s, I have not tested a yz250 rear wheel but I will eventually just to see
Also used a 15 RMZ hammerhead break pedal with RM clevis and RMZ return spring
Pit Row
I updated my front master cylinder with one from a 2013 CRF450R and I love the feeling. My old rear is clapped out and I want to upgrade while saving money if possible
Thanks!
Please let me know.
You should look for 04+ rear shock as they changed to Showa and are supposed to be better.
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