Replacement Cylinder Kit for 143cc/60mm w/ V2 Heads - KLX110 / Z125

Replacement Cylinder Kit for 143cc/60mm w/ V2 Heads - KLX110 / Z125TB Parts (aka Trail Bikes) 143cc Big Bore Kit V2 Race Head (60mm): If you already have the TB V2 Race Head and need a new 143cc bore kit, this is the one you want as it comes with the matching high compression piston for the V2 head. Ceramic coated all aluminum cylinder (no steel sleeve) TBW1390 Lightweight high compression domed 60mm piston with rings, pin, & clips (for the TB Parts V2 Race Head only) Head gasket kit Now includes the cylinder head o

Adjustable preload

The Complete Replica Plastic Kit from Polisport is a great way to make sure you get quality

Fits stock CRF110F shock

Lightweight Takegawa titanium valve spring retainer set for the KLX110 4 Valve +R Super Heads

Installation Note:

Only for use with 1968-1979 Z50 and 69-79 3 Speed CT70

IMPORTANT NOTE:  Any bore kit for the Z125 must be used with an aftermarket fuel controller to prevent a lean condition and damage to your engine

Does NOT fit KX65 or any other pitbike brake systems and/or hubs

Dynojet PV3

Don’t get slowed down by losing your grip on the foot pegs

Aluminum Steering Stem Nut - Tusk

This new ride position feels more more stable when taclking on and off road riding