WPB 140cc z40 crf70 




 WPB 140cc z40  

The legendary WPB 140 z40 crf70 is factory Engineered and Dyno Tested and Race Tuned to include the factory fitted Z40 Race cam and a single Oval Big-Bore Exhaust system for an ultimate Power delivery to your WPB rear wheel.

Our WPB Race Sponsored riders agree...

"if you want 2WIN RACES it Simply has to be the New WPB 140 z40 "

"the z40 is a must have race cam for getting the true potential BHP Power from a 140cc race class engine "

"the WPB 140 z40 crf70 frame is the only and exclusive frame thats been Race Tested & Dyno Proven to handle the awesome Power of the z40 cam Race Tuned Engine "

 you need a WPB 140cc z40 ...to beat your mates  

 All New for 2016  

"WPB 140 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! "

"We have also introduced the new SuperRange of fitments including..
SuperStop Wavey Discs
SuperDry Sealed Wheel bearings
SuperGrip Bar Grips
SuperSlide Chain Sliders
SuperSwing HiTor Swingarm & Axle Spacers
SuperGuard Rear Shock Mud Deflector"
"Also a New revised casting Molkt 26mm carb and 
WPB filter 
supply the Gas and Air to this Lushious Beast! "



17hp Dyno & Race Tested Latest Generation Engine
26mm Race Carb with 2 stage race foam filter
z40 Factory Fitted Race Camshaft giving Extra 2hp
CNC Oil Cooler System
N1234 all up gearbox
High Capacity Race CNC oil cooler
Race CDI
High Capacity Race Ignition coil


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 


295mm 1000lbs piggyback nitrogen filled rear shock
735mm forks
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
SuperStrong and Light Steel Rims
SDG pattern SuperStrong hubs
Recessed & Sealed SuperDry Long Life Wheel Bearings


SuperStop Wavey Discs 210mm front and 190mm rear
Single pot front and Rear wheel cylinder
Steel Braided Hose Lines
EBC pattern pads front and rear


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 

Titanium Alloy Minibike Pro Taper style Bars
Foldback Levers Adjustable Reach
Soft Grey SuperGrip Bar grips
Foldback gear Shifter
Heavy Duty 16mm Kickstart Shaft

WPB 140cc Test Ride Video

The Optional 17"-14" Wheel Tyre And Tube Set

CRF70 Dimensions Diagram

 The WPB 140cc z40 is UNMATCHED in the UK  

 Quality Value and Price...GUARANTEED 

Go for the BIGGER CRF70 Style