STOCK 140

 

Ages: 14+

Any standard chinese 4 stroke pitbike engine up to 140cc

Standard means standard ie as they came from the factory. No porting, skimming or gas flowing will be allowed.
High compression pistons are not allowed. Standard base and head gaskets must be fitted.

Z40 cams can be fitted if required
Open Ignition systems
Open carburettor upto 26mm
Open exhuast
Open tyres
Open suspension
Maximum 12" wheels

Maximum BHP output on NMRRC Dyno =<

(will be set after testing during feb - but a truely STANDARD yx 140 / Lifan 140 will be within the limit set)

STOCK 160

 

Ages: 14+

Any standard chinese 4 stroke  2 valve pitbike engine up to 160cc (Excluding Daytona engines)

Standard means standard ie as they came from the factory. No porting, skimming or gas flowing will be allowed.
High compression pistons are not allowed. Standard base and head gaskets must be fitted. Standard Cams and springs must be used.

Open Ignition systems
Open carburettor upto 28mm
Open exhuast
Open tyres
Open suspension
Maximum 12" wheels

 

Maximum BHP output on NMRRC Dyno =<

(will be set after testing during feb - but a truely STANDARD Z155  / yx 160 /150 engine will be within the limit set)

PITBIKE OPEN

 

Age:  14+

Any Horizontal Pitbike engine upto 200cc

2 Stroke engine upto 80cc
Open Ignition systems
Open carburettor
Open exhuast
Open tyres
Open suspension
Maximum 12" wheels

Pitbike Regulations 2015

ALL PITBIKES

must

be fitted with:

Hand Guards with plastic covers

Metal or Plastic catch tanks to collect leaking fluids. All overflow pipes must either end into a catch bottle or securely into the Catch Tray

Crash bobbins must fitted to both axles or forks and swing arm and also to footpegs this is to protect the track surfaces in the event of a crash. Sump plugs must be drilled and lock wired

Axle Bobbins

Hand Gaurds

Foot Peg Sliders / Bobbins

PITBIKE VETERANS

 

Age:  40+ (or turn 40 in this year)

Any Pitbike Horizontal engine upto 200cc

2 Stroke engine upto 80cc
Open Ignition systems
Open carburettor
Open exhuast
Open tyres
Open suspension
Maximum 12" wheels

Lock Wired Sump Plug

Catch Tray
HONDA CRF150

 

Age: 14+

Honda CRF 150 engine

Open Ignition systems
Open carburettor
Open exhuast
Open tyres
Open suspension
Maximum 12" wheels

 

Like Pitbikes MUST be fitted with Wrap around Handguards, Axle Bobbins, Peg Sliders, Drilled and Lockwired Sump Plug and a Metal 1,5 Ltr Catch Tray