Welcome to the World of McCulloch Kart Engines

This site will contain as much information as possible in regards The Mighty Mac's.
Main index

McCulloch Kart Engines.

Standard / 90 series Kart Engines

McCulloch 101 / Super series

Steve O'Hara and the McCulloch Kart Engine

McCulloch Kart Engine Racing Spec's

McCulloch Kart Engine ID Numbers and production dates

Aftermarket piston and rings for McCulloch Kart Engines

McCulloch Crankshaft and Conrod part Numbers

McCulloch BDC  Carb Spec's

McCulloch Kart Engine special tools.

Building full circle Cranks by Gordon Daux

Mc Kart Con-Rods

Mc Engine crankcase seals

Mc intake manifolds

Mc exhaust manifolds and pipes coming.

McCulloch Duckbill Valves

McCulloch BDC Lever heights and Pop-off settings.

Adapting a Tillotson carb to the Mac's

Mac Help and Assistance

Bore, stroke and capacities of McCulloch Kart and Chainsaw Engines

McCulloch Kart Engine Owners Manuals.

McCulloch Kart Engine parts replacement numbers

McCulloch Blind Piston Removal pictorial sequence

The McCulloch " Look-a-like " Engines

Horstman, McCulloch and West Bend stroker cranks

Fitting an outboard clutch to a Mac Kart Engine

McCulloch 1962 fuel data, mixes and modifying the carb. updated by Vernon Ray Johnson

McCulloch Kart Clutches


McCulloch Rotary Valved Engines

McCulloch Mavrick Spark.

McCulloch 101B Kart Engine Illustrated parts list

McCulloch Special Pistons

McCulloch chainsaw engines with a removable cylinder head

McCulloch's "third port" Engines

The McCulloch 102 Fact or Fiction

Richy McCulloch's Super Mini Drag Bike

McCulloch Wrist Pins      New

McCulloch Kart Pistons an illustrated guide   New

Hyperode 100cc conrod

Hyperode 123cc 101 Conrod
Please note this section of my site is under construction and like Rome WILL NOT BE BUILT IN A SINGLE DAY
Kart Racing in Australia.


Karting became very popular in Australia in the 1960s and Penrith was no exception. In 1962, Welsh-born Roland Davey began to race petrol engine powered go-karts in the Penrith area.
Many hours were spent by local enthusiasts converting Victa lawnmower and McCulloch chainsaw motors into highly tuned go-kart engines. This involved casting, moulding, and manufacturing engine parts to improve both performance and speed.

At the height of its popularity there were tracks at Londonderry, Branxton, Camden, Lithgow and Granville in the Sydney/Newcastle area. Today, karting is still popular in the region, with local tracks at Castlereagh and Windsor.

3rd November 09