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Stomp Z3R-140

1,750.00
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19 - 26 Aug, 2026
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Specification

Specification

Distributor Stomp Distribution LTD
Manufacturer Stomp
Model Z3R-140
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 Alloy 410mm
Footpegs Upgraded PRO Footpegs
Handlebar Light weight steel
Front Suspension USD SP 735mm forks (fully adjustable)
Rear Suspension DNM 290mm piggy back nitrogen shock (adjustable)
Front Rim Steel rims with SDG hubs 14"
Rear Rim Steel rims with SDG hubs 12"
Tyres Front: 60/100-14, Rear: 80/100-12
Brakes Front: Hydraulic 210mm wavey disc, Rear: Hydraulic 180mm wavey disc
Wheelbase 1240mm
Ground Clearance 280mm
Seat Height 820mm
Dry Weight 71kg
Fuel Capacity 5.5 litres
Wheel Size 14/12
Packing Size 1560 x 380 x 735mm

Size and Fit

Size and Fit

About the brand

Stomp

Stomp Z3R-140

Stomp Z3R-140

1,750.00

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 Z3R-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. This is of course the “R” version of the bike which stands for “Race” and that’s exactly what this bike was designed for. You can literally take it out for the crate, PDI it then enter into a race day/series. The bike features significant upgrades such as the lightweight alloy swing arm, Nitrogen filled fully adjustable DNM rear shock and SP 735 fully adjustable USD forks. This flexibility allows you to set the bike up for the track you are riding, along with finer adjustments for rider weight.

The Z3R 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 Stomps flagship model culminating decades of engineering knowhow, refinement and race pedigree, basically it’s the best of the best.

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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