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Stomp Z3-140 Big Wheel

1,850.00
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18 - 25 Aug, 2026
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Specification

Specification

Distributor Stomp Distribution LTD
Manufacturer Stomp
Model Z3-140 Big Wheel
Warranty 6 months, parts only
Engine YX140 with Z40 race cam, oil cooled
Valves SOHC, 2 valve
Displacement 140cc
Bore x Stroke 56 x 57mm
Compression Ratio 9.8:1
Fuel System Carburettor 26mm Nibbi
Max Power 8.2 kW @ 8000 RPM
Max Torque 10.2 N·m @ 7500 RPM
Clutch Wet, 5 disc
Ignition CDI
Starting Kick start
Transmission Manual 4-speed (N-1-2-3-4)
Final Drive 420 chain
Frame Light-weight steel spine frame
Rear Subframe CRF70 subframe
Swing Arm Steel 430mm
Footpegs Upgraded PRO Footpegs
Handlebar Light weight steel
Front Suspension USD 735mm forks (non-adjustable)
Rear Suspension 290mm piggy back shock (adjustable preload)
Front Rim Steel rims with SDG hubs 17"
Rear Rim Steel rims with SDG hubs 14"
Tyres Front: 70/100-17, Rear: 90/100-14
Brakes Front: Hydraulic 210mm wavey disc, Rear: Hydraulic 180mm wavey disc
Wheelbase 1240mm
Ground Clearance 320mm
Seat Height 865mm
Dry Weight 72kg
Fuel Capacity 5.5 litres
Wheel Size 17/14
Packing Size 1560 x 380 x 735mm

Size and Fit

Size and Fit

About the brand

Stomp

Stomp Z3-140 Big Wheel

Stomp Z3-140 Big Wheel

1,850.00

Product details

Back in 2007 Stomp were the first to take the legendary YX140 engine and squeeze it into a pit bike named “SuperStomp 140”. This absolute killer combination of an aftermarket frame and bonkers engine put Stomp firmly on the map. Ever since, Stomp fans and customers have been going crazy for their Pit Bikes, making Stomp a globally recognised brand. The Z3-140 continues this epic motorcycle brand legacy. It is still powered by that immense 4-stroke thumping single cylinder YX140. The engine is ‘exclusive to Stomp’ being the SR140C Z40 model producing 2hp more than any other YX140 engine on the market. If you look after the SR140C, it will prove a very reliable and affordable engine to run.

The chassis is a lightweight single backbone frame with cradle to keep the bikes mass down. This makes it faster and nimbler than many other brands focusing on MX looks at the cost of performance. The suspension is simple yet effective with plenty of travel. There’s even scope to upgrade the rear shock should you feel the need to start hitting some heavier jumps. The USD Forks and triple clamps complete the look while based on your personal preference the bike is available with two wheel options, 14/12 or 17/14 (big wheel).

The Z3-140 follows the trend for larger Pit Bikes, more space on the bike, yet still a lot of fun to throw around. Aggressive visual cues, clean lines and highly distinctive factory graphics complete a well-balanced looking bike that’s tasteful yet means business.

This is a true Surron killer for a fraction of the money, so TURN UP THE VOLUME AND SMELL THE PETROL BRAAAP!

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