The Z3R-140 is the ultimate budget race bike from the Stomp stable. This bike boasts the upgraded SDG2 frame and the Detroit plastics, as well as the suspension from its podium-winning predecessor. The best 140 pit bike out there.

The Z3R-140 still boasts the exclusive to Stomp SR140C Z40 cam engine. Stomp buy in the YX140 and then fettle the engine with stiffened valve springs & a high lift race cam (known as the Z40 cam). The result is 2hp more than any other YX140 engine on the market.

ENGINE Stomp Racing SR140C Z40 race cam GEARBOX Start-in-gear, all-up 4 speed gearbox HORSEPOWER 14hp at rear wheel CARB 26mm race carb with double foam filter CASES Aluminium shot blast finished cases with Stomp logo COOLER CNC oil cooler with braided steel hoses FRAME SDG2 heavy duty cradle frame for ultimate stiffness and control SUBFRAME Removable rear subframe & bolt on engine hangers BASH PLATE Alloy sump guard / bash plate SWINGARM 410mm alloy swing arm FORKS SP 735mm cnc machined usd fully adjustable oil filled forks CLAMPS Drop forged black anodised triple clamps (yokes) SHOCK DNM nitrogen filled 290mm piggy back shock WHEELS 14/12 sdg with steel rims for strength RIM LOCK In rear wheel TYRES Kenda CYLINDERS AND CALIPERS Improved and revised light-weight brake master ROTORS Vented light-weight rotors FEATURES Brake snake to protect the rear brake pedal MUFFLER Alloy oval exhaust muffler RACE PIPE Mandrill bent big bore 32mm OD race pipe FEATURES Features full length alloy heat shield for style and protection BARS Pro-taper style minibike bars GRIPS Renthal style soft rubber grips LEVERS Forged alloy clutch & brake levers SIDE CASES Stomp logo cnc machined engine side cases CHAIN 420 KMC chain with engraved alloy/nylon chain guide REAR SPROCKET 420 41t lightweight durable FRONT SPROCKET 420 16t GEAR SELECTOR Fold back gear selector FOOTPEGS NEW upgraded PRO FUEL TANK NEW reinforced poly resin 5.5 ltr fuel tank with alloy cnc filler cap SEAT NEW revised firmer with Stomp logo PLASTICS NEW Detroit hi impact polypropylene BOARD Wrap around crf number board with front brake pipe tidy GRAPHICS New Stomp race graphics kit with Stomp race sponsors logos SEAT HEIGHT 82cm WEIGHT 71kg WEIGHT LIMIT 15 stone