Complete short block assembly for 31 series(model number starts with 31), and 28 series overhead valve, vertical crankshaft engines WITHOUT oil filter. Fitted to ride on lawnmowers, garden tractors etc.
Comes with head gasket set
(Carburettor, ignition, cylinder head, throttle linkage etc. to be removed from the old engine.)
We strongly recommend using the appropriate manual (276781 or 272147 shown below) when carrying out this work

Please note: The flywheel bolt torque requirement has been increased to 110ft lbs
19433 Strap Wrench (further down this page) or a similar suitable flywheel holding device must be used in order to safely achieve this torque figure when tightening down the flywheel