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STOMP Z3 140
STOMP Z3 140
2025 Model
2025 Model
12/14 Wheels
12/14 Wheels
£1099 Including Mainland UK Delivery
STOMP Z3 140
STOMP Z3 140
2025 Model
2025 Model
17/14 wheels
17/14 wheels
£1199 Including Mainland UK Delivery
14/17 Wheel Version Shown
14/17 Wheel Version Shown
Z-40 Race Camshaft
Z-40 Race Camshaft
Factory Fitted and Race Tuned for Extra Brake Horse Power
The New STOMP Z3-140 2025 is the Result of Stomps Race Winning experience and
continued design development, it is the development of the
Z-140 and the Z2-140
Now With...
14/17 BIG WHEELS
or
12/14 STANDARD WHEELS
When you take the combination of 2 Previous Race Proven bikes and race with Bucci’s
on the track, Stomp have stepped up the game & proven yet again you
do not need to spend inordinate amounts of money to have a
seriously FAST World-Class Race Winning Pit Bike.
12/14 STANDARD WHEELS
Price Including Delivery
14/17 BIG WHEELS
Price Including Delivery
SERVICE PACK
SERVICE PACK
£49 Consists of Magnetic Sump Plug, Race Spark Plugs Engine Oil
BIG WHEELS
BIG WHEELS
£140 17/14 BIG WHEELS TYRES AND TUBES FITTED
17" 14" Big Wheel Tyre and Tube Set
So that younger riders can grow with their bike
STOMP Z3 140 z40 2025 Race Report
"STOMP Z3 140 2025 Featuring the Exclusive z40 race camshaft factory equipped engine, Beefed up Crank Cases and Needle Roller Gearbox Bearings. The Z40 Race Camshaft is only fitted to Stomp and WPB engined bikes, no other UK Pitbike engine manufacturer fits this legendary camshaft to their engines and the 17Hp at rear wheel in Stock form is plenty to scare the Pants off the unsuspecting! "
The 2025 Z3-140 has been Upgraded to Now Include Polished Allow Hubs and
HSK Racing Brakes front and rear and Pro Footpegs. The New Detroit Plastics add something new
to the Race scene and are Unique to Stomp
The Z3-140 still boasts the ‘exclusive to Stomp’ SR140C/Z-40 cam engine. Stomp buy in the YX140 and then fettle the engine with stiffened valve springs & a high lift race cam (known as the z-40 cam). The result is 2 HP more than any other YX140 engine on the market. It might not be quite Zhongshen 155 territory, but its most of the way there and significantly cheaper to install than the Z155 which would see retail prices creeping over the £1200 mark. If you look after the SR140 z40, it will prove a very reliable and cheap engine to run.
Stomp still retain the big wheel version (17/14) for those more into field hacking who need that extra stability in muddy conditions.
Specifications
Race CDI
High Capacity Race Ignition coil
Frame
Exclusive Race Engineered Race Geometry Frames
New HiTor SuperSwing Swingarm System
Swingarms includes provision for
High Torsional strength wheel spacers
and SuperDry Sealed Wheel bearings
High Impact Lightweight Sumpguard
Race Engineered Rear Subframe
Suspension
Titanium Finished Anodise Forks
Drop Forged Titanium Anodised Triple Clamps
Long Travel Rear Shock
Rear Swingarm 410mm
SuperSwing Frames/Swingarms to take 17/14 wheel upgrades
Replaceable Steel SuperShock Shock pivot bearings
Wheels and Tyres
12" Rear 14" Front MX Innova Pattern Tyres
or
14" Rear 17" Front Wheels with MX Innova Pattern Tyres
SuperStrong and Light Steel Rims
SDG pattern SuperStrong hubs
Recessed & Sealed SuperDry Long Life Wheel Bearings
Polished Alloy Hubs
Brakes
SuperStop Wavey Discs 210mm front and 190mm rear
Single pot Front and Single Pot Rear wheel cylinder
Steel Braided Hose Lines
EBC pattern pads front and rear
HSK RACING BRAKES
DriveChain
KMC 420 pitch Chain
41 tooth rear sprocket
15t front sprocket
Wrap around SuperSlide Swingarm Chain Sliders
New SuperGuard Rear Shock Mud Deflectors
Bars & Controls
Minibike Pro Taper style Bars
Forged Alloy Levers
Soft Grey SuperGrip Bar grips
Foldback gear Shifter
Heavy Duty 16mm Kickstart Shaft
Pro Footpegs
Stomp Z3-140 Review
"Price vs spec? Stomps predecessors, the Z-140 and Z2-140 were the best-selling pit bike
in the UK for 4 years. The Z3-140 now takes Stomps winning formula & punts it
into the stratosphere, pretty much annihilating anything else on the market
in the same price bracket. It’s £6,000 Bucci performance for just over a grand???
How the **** have they done this? It’s simple, by racing Bucci’s on the track Stomp
have stepped up the game & proven yet again you do not need to spend inordinate
amounts of money to have a seriously FAST world-class pit bike.
The results on the track tell the full story, the Z3-140 will give more bang
for your buck than any other machine out there and if you are thinking
about taking it straight to the track, why not take a look at
the Z3R because that monster is race ready out of the crate and
a full race replica of Troy Becks Podium winning machine."
N1234 all up gearbox
High Capacity Race CNC oil cooler
Engine
17hp Dyno & Race Tested Latest Generation Engine
26mm Race Carb with 2 stage race foam filter
z40 Factory Fitted Race Camshaft giving Extra 2hp
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