Yamaha YSR

FILTERED AIR VENTSUni's "Foam Filter Air Vents" increase the pre-filtered air supply to the airbox. The foam filter element may be cleaned and re-o...

Two Stage Clamp on pod style filter  Two Stage Washable High Air Flow   Fits Stock  Carburetors  YSR50 or YSR80       FITS:  Stock YSR 50 & 80 ...

Bolt on Uni Two Stage filter  FITS:  20mm and 24mm carbs 45mm opening

Stock YSR Air Filter-get them while they are still available, Yamaha just raised price big time!

The Mikuni "TM" series of flat slide carburetor provides significant improvement over older round slide carbs, with air flowing faster and smoother...

5mm / 3/16" fuel line, super pliable and stretchy. Doesn't harden and dry up like cheaper fuel lines. Choose from clear or black. 30 Inches in leng...

The YSR fuel tank requires 3 rubber dampers to fit properly.2 Round1 Square The round ones go on the inside front and slip into the frame.The squar...

Dyno Jet  KitINSTANT PERFORMANCE!Dual taper needle with 3 precision main jets. Please specify stock (Stage I) or modified  (Stage II or Stage III )...

Dyno Jet Jets 84 - 108    (The 92 Dyno  jet is the same as the stock YSR Carb Main Jet) Dual Taper Needle Clip for needle (Dyno Jet main jets and n...

( If you remove the oil pump you need this! ) Billet aluminum Oil Block off plate with gasket-there is an alternative! We  also have an oil block o...

 Oil Block off plug This "Blind" Plug fits into the hole left when removing the oil pump, Just tap it in!   ( If you remove the oil pump you need t...

Replacement petcock for YSR, also fits '89-'01 zuma with trimming of the plastic under the fuel tank. 

Boysen Dual Stage Reeds for the YSRTried and true, these have been the leading replacement reeds for years.Top Reed opens at low RPM allowing for m...

Performance Reed StopsReeds will open Easily!Performance reed stops allow reeds to stay  fully open easily!More Top End!Inexpensive!

High quality foam air filter for carburetors with 38mm inlets. 

New Throttle tube for stock YSR Throttle

Shopping for someone else but not sure what to give them? Give them the gift of choice with a Zumasrus Gift Card. Gift cards are delivered by email...