YZ125

2007 Yamaha YZ125

.

Stock...

124cc two stroke single cyl. Liquid cooled

Bore & stroke 54mm x 54.5mm

38mm Mikuni TMX Main 410 Pilot 40 Needle 6BFY42-74 3rd clip position

Six speed transmission, 13T & 49T sprokets

Tires 80/100-21 front 100/90-19 rear

Dry / wet weight: 190lbs / 207lbs

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My mods...

FMF Gold Series Fatty expansion pipe & FMF silencer

Main jet 410, Pilot jet 32.5, Needle 6BFY42-74 3rd clip position

Gas/oil mixture 40:1

Rekluse z-Start Pro auto-clutch, Twin-Air filter

13T JT Self-Cleaning steel front sprocket

49T Outlaw Racing lightweight steel rear sprocket, DID O-ring chain

Factory Connection rear spring ALN-0044

Moose Racing kickstand, Trail-Tech Vapor gauge kit,

Arashi stainless steel petal front brake rotor

Blue 3-Ply Silicone Radiator Hose Kit, Blue anodized rims

Boysen Factory Racing clutch cover, Works Connection skid plate

Execute gripper seat cover, Scott handlebar grips, ProTaper fat bars

YZ250x Petcock valve w/reserve BF1-24500-00-00