For sale is my 2003 Suzuki RM125. This is a special bike that I spent all winter building from the ground up. The build cost is over $12,000. I uploaded an entire series documenting the build on YouTube, as well as a final build video showing the process from start to finish.
Here is a link to the build series, and here is the final build video:
Absolutely nothing was left untouched on this bike, and nearly 20 amazing companies in the dirt bike industry sponsored this build. Every bearing, seal and gasket on the bike was replaced.
Starting with the engine, the cases were vapor blasted before installing all new transmission, crank and water pump bearings. The transmission was micro polished by Millennium Technologies and fully rebuilt. Millennium also installed a brand new Pro X rod and bearing on the crankshaft and replated the cylinder. The OEM clutch basket was replaced with a brand new Wiseco basket. A brand new Pro X piston was installed along with VForce 3 Reeds and a Phathead cylinder head. The kickstarter pivot was rebuilt. The carburetor was completely rebuilt and a new slide and throttle cable were installed.
Moving on to the chassis, powder coating was done by Powder Coating of Montana. The swingarm, linkage and steering bearings were all replaced. MX Tech installed Blackjack cartridges in the forks and custom machined their very own National Shock to fit this bike. This just might be the best handling RM125 in existence. IMS Pro Series pegs were used for ultimate connection to the bike.
The rear brake was rebuilt and a new Galfer steel braided brake line was installed. The front brake was replaced with a modern CRF450 front brake with a new Galfer steel braided line for additional stopping power, which makes an enormous difference.
I chose an FMF Factory Fatty header with an FMF Shorty combination for the most explosive power possible. This bike absolutely screams in the top end and loves to live in the powerband. The wheels were completely rebuilt after the rims were anodized by TCR and the hubs were powder coated by Powder Coating of Montana. Brand new Excel spokes were installed along with Pro X bearings and seals. Heavy duty tubes were installed along with a set of Shinko 540 series tires. Not to mention the rear wheel has a Dirt Tricks zirconium sprocket.
The radiators were straightened and reinforced by Mylers and Works Connection radiator braces were added as well. New bolts were used throughout the entire build. I used a polisport restyle kit with graphics and a seat cover from DeCal Works.
The bike has 17 hours on the meter. I ended up stripping and polishing the ignition and clutch covers as they did not hold up well to boot rub. The bike does have some minor scratches as it has been ridden. Putting hours on the bike not only allowed me to enjoy the fruits of my labor, but get the bike perfectly tuned and ready to rip for the next happy owner.
Clean Montana title in hand.
This is a particularly special and unique build, and the suspension alone is worth $5500. I will entertain serious cash offers and am not currently interested in trades. I know there will be plenty of fun comments on this one, but I can assure you this is a one-of-a-kind RM125. It’ll be tough to let her go, but the funds will go towards my next build and other home projects.
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