Stage 1 Engine built for racing and competition.

Approximately 7-8hp, 6500 RPM. (This is a real dyno reading and not the inflated figures of our competitors! You will not increase hp by 3.5hp just by fitting an oversized piston and a few other minor mods!).

The Stage 1 Engine is designed to look at first glance like a standard engine so therefore retains the standard airbox and exhaust (unless upgraded air filter option is selected). Stage 1 engines should rev to around 6500rpm.

Includes:

Removal of governor,
Removal of oil alert mechanism (if fitted)
Valves lapped,
Bore checked,
18 lb Valve Springs,
Small fan,
Advanced Timing Key,
GX140 Emulsion Tube and Main Jet,
De-baffled Exhaust,
Available Options

Clone GX160 or GX200 Engines,
Genuine Honda GX160 or GX200 Engines RECOMMENDED,
Clone or Genuine Honda GX200 Carburator (GX160 only)
Bored Clone or Genuine Honda GX200 Carburator,
Air Filter and Air Filter Adapter,
GX200 Cylinder Head Gasket (GX160 only),
Clone or Genuine Honda GX200 Camshaft (GX160 only),
Aluminum Flywheel,
14cc Clone Cylinder Head,
Fuel Pump package, includes pulse fitting, fuel pump, fuel filter, Ali Engine Cover, and hoses, installed. (Replaces factory fuel tank)
WARNING: TO PREVENT SERIOUS INJURY AN ALUMINUM FLYWHEEL SHOULD BE USED ON ALL MODIFIED MOTORS

Unless Stated, Engines do not come with Tank, Muffler/Exhaust, or Linkage

Accessories and carburetors are not installed and shipped loose.



Stage 2 Engine built for racing and competition.

Approximately 9-13hp, 7000 RPM. (This is a real dyno reading and not the inflated figures of our competitors! You will not increase hp by 3.5hp just by fitting an oversized piston and a few other minor mods!).

The Stage 2 Engine removes the restrictive black plastic air cleaner system. The engines are therefore visually different from a standard engine. Stage 2 engines should rev to around 7000rpm.

Includes:

Removal of governor,
Removal of oil alert mechanism (if fitted)
Valves lapped,
Bore checked,
22 lb Valve Springs,
Performance Air Filter and Adapter,
Performance Camshaft 230-0611,
GX200 Cylinder Head Gasket (GX160 only),
Small fan,
Advanced Timing Key,
GX140 Emulsion Tube and Main Jet,
De-baffled Exhaust,
Available Options

Clone GX160 or GX200 Engines,
Genuine Honda GX160 or GX200 Engines RECOMMENDED,
Clone or Genuine Honda GX200 Carburator (GX160 only)
Bored Clone or Genuine Honda GX200 Carburator,
Performance Camshaft Mod Cam 2,
Aluminum Flywheel, Dyno PVL Flywheel, ARC Billet Flywheel,
14cc Clone Cylinder Head,
Custom Exhaust and Muffler,
1:3 Ratio Rocker Arms,
Billet Con Rod,
Fuel Pump package, includes pulse fitting, fuel pump, fuel filter, Ali Engine Cover, and hoses, installed. (Replaces factory fuel tank)
WARNING: TO PREVENT SERIOUS INJURY AN ALUMINUM FLYWHEEL SHOULD BE USED ON ALL MODIFIED MOTORS

Unless Stated, Engines do not come with Tank, Muffler/Exhaust, or Linkage

Accessories and carburetors are not installed and shipped loose.



Stage 3 Engine built for racing and competition.

Approximately 13-15hp, 7500 RPM. (This is a real dyno reading and not the inflated figures of our competitors! You will not increase hp by 3.5hp just by fitting an oversized piston and a few other minor mods!).

Stage 3 engines are visually different from a standard engine. Stage 3 engines should rev to around 7500rpm.

Includes:

Removal of governor,
Removal of oil alert mechanism (if fitted)
Valves lapped,
Bore checked,
22 lb Valve Springs,
Performance Air Filter and Adapter,
Ported and Miller Performance Cylinder Head,
1:3 Ratio Rocker Arms,
+0.02 Billet Con Rod,
Performance Camshaft MOD2,
GX200 Cylinder Head Gasket (GX160 only),
Small fan,
Advanced Timing Key,
GX140 Emulsion Tube and Main Jet,
Performance RLV Exhaust,
Available Options

Clone GX160 or GX200 Engines,
Genuine Honda GX160 or GX200 Engines RECOMMENDED,
Clone or Genuine Honda GX200 Carburator (GX160 only)
Bored Clone or Genuine Honda GX200 Carburator,
SA Extreme Carb,
22mm Mikuni Carb,
Aluminum Flywheel, Dyno PVL Flywheel, ARC Billet Flywheel, Super light (ARC) Aluminum Flywheel,
Performance Muffler,
Rev Kit (discounted as most parts already supplied with Milled Head),
Flat Top Piston and Rings (GX200 only)
Fuel Pump package, includes pulse fitting, fuel pump, fuel filter, Ali Engine Cover, and hoses, installed. (Replaces factory fuel tank)
WARNING: TO PREVENT SERIOUS INJURY AN ALUMINUM FLYWHEEL SHOULD BE USED ON ALL MODIFIED MOTORS

Unless Stated, Engines do not come with Tank, Muffler/Exhaust, or Linkage

Accessories and carburetors are not installed and shipped loose.



Stage 4 Engine built for racing and competition.

Approximately 16-20hp, 8000 RPM. (This is a real dyno reading and not the inflated figures of our competitors!!).

Stage 4 engines are visually different from a standard engine. Stage 4 engines should rev to around 8000rpm.

Includes:

Removal of governor,
Removal of oil alert mechanism (if fitted)
Valves lapped,
Bore checked,
Full ported head
Stainless Steel valves
Oversize intake (27mm)
Aluminum Retainers &, Split Keepers
Billet rod (long rod available)
Stud kit
HD race valve springs (lb based on cam selected)
Billet Rocker Arms
CM pushrods,
Billet Guide Plate
Race Prepped Block
252 or 274 cam.
Choice of Carbs.
Timing Key
Air Filter
Compression ratios up 12.5 to 1.
Additional Options available by contacting us (not available through shopping cart):-

Balance Motor £135.00
Billet Side Cover (Removes Pull Start for use with Hand Held Starters) £60
Extended Starter Nut for Hand Held Starters £10.00
WARNING: TO PREVENT SERIOUS INJURY AN ALUMINUM FLYWHEEL SHOULD BE USED ON ALL MODIFIED MOTORS

Unless Stated, Engines do not come with Tank, Muffler/Exhaust, or Linkage. Picture is for reference only (fuel pump or mounting plate not included unless specified).

Accessories and carburetors are not installed and shipped loose.



Stage 5 Engine built for racing and competition.

The Biggest and Baddest GX Engine we do! Not available in Clone Engines. Honda Engines only due to Superior Reliability.

Approximately 20-28hp, 9000 RPM. (This is a real dyno reading and not the inflated figures of our competitors!!).

Stage 5 engines are visually different from a standard engine. Stage 5 engines should rev to around 9000rpm.

Includes:

Removal of governor,
Removal of oil alert mechanism (if fitted)
Valves lapped,
Bore checked,
Full ported head
Stainless Steel valves
28mm Intake, 25mm exhaust valves,
Titanium Retainers,
Long Rod with Wiseco Piston,
Stud kit
HD race valve springs (lb based on cam selected)
Shaft mount Roller Rockers,
CM pushrods,
Billet Guide Plate
Race Prepped Block
Billet Cam.
24 or 28mm Flat Slide Mikuni,
Timing Key
Air Filter
Compression ratios up 12.5 to 1.
Fully Balanced,
Super Light Aluminum Flywheel,
Has extended nut for handheld starter (no recoil) and compression release removed.
WARNING: TO PREVENT SERIOUS INJURY AN ALUMINUM FLYWHEEL SHOULD BE USED ON ALL MODIFIED MOTORS

Unless Stated, Engines do not come with Tank, Muffler/Exhaust, or Linkage. Picture is for reference only (fuel pump or mounting plate not included unless specified).

Accessories and carburetors are not installed and shipped loose.