MB Cycles

MB Cycles Veteran-owned motorcycle customization and repair shop with 40 years of experience in the industry. Race bike prep, complete ground-up restorations, and more.

Bio: https://sites.google.com/view/mark-brush/home/mb-cycles

More progress on the 2006 Yamaha R1. Just 4300 miles on the clock!Someone will get one heck of a clean machine for summe...
06/02/2026

More progress on the 2006 Yamaha R1. Just 4300 miles on the clock!

Someone will get one heck of a clean machine for summer riding....

My first dirt bike....1988 KX250 I bought in 1992. Yes, I started on a 250.Crazy to think this bike was only 4 years old...
05/28/2026

My first dirt bike....1988 KX250 I bought in 1992. Yes, I started on a 250.

Crazy to think this bike was only 4 years old when I bought it....now it's almost 40 years old!

What was your first dirt bike?

05/26/2026

It's alive! Proper jetting, starts first kick. Listed for sale on FB Marketplace, message me if interested.

Huge thanks to for the inspiration!





No rest, onto the next! A 2006 Yamaha R1 with just 4300 miles!
05/24/2026

No rest, onto the next! A 2006 Yamaha R1 with just 4300 miles!

Not gonna lie, pretty dang proud of this one. Waited a couple days to make sure the pipe was done right, very happy with...
05/24/2026

Not gonna lie, pretty dang proud of this one. Waited a couple days to make sure the pipe was done right, very happy with the results.

First start tomorrow.

First start tomorrow! Just need to clean the FMF Fatty expansion chamber and juice up the cooling system. Can't wait! ...
05/21/2026

First start tomorrow! Just need to clean the FMF Fatty expansion chamber and juice up the cooling system. Can't wait!






Getting close! Waiting for a water pump impeller and a power valve plastic rod retainer to finish.
05/03/2026

Getting close! Waiting for a water pump impeller and a power valve plastic rod retainer to finish.





SKF/NTN bearings installed in the cases, fresh Cerakote on the clutch cover and water pump housing, brakes bled, and DEP...
04/15/2026

SKF/NTN bearings installed in the cases, fresh Cerakote on the clutch cover and water pump housing, brakes bled, and DEP silencer hanging around just waiting for a pipe.

For those who messaged me, the dust seal in the crank bearing was removed before mating the cases. Only left it in there to keep dirt and particulate out.

Getting close!

Venhill brake line from AS3 Performance installed. Almost too nice to put a cover over!
04/03/2026

Venhill brake line from AS3 Performance installed. Almost too nice to put a cover over!





More progress on the 1995 Suzuki RM250 and 2006 Yamaha YZF-R1.
03/19/2026

More progress on the 1995 Suzuki RM250 and 2006 Yamaha YZF-R1.




Address

1810 Swigert Way
San Diego, CA
80929

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 8am - 5pm

Telephone

+16195184322

Website

https://sites.google.com/view/mark-brush/home/mb-cycles

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