After storage, before the engine is put into service, the conserving oil must be drained from the crankase. This is simplified by pouring a cupful of 2-stroke fuel into the crankcase and then swinging the engine several times to and fro. The mixture is then drained out through the draining screw hole at the bottom of the crankcase.
The preserving oil in the cylinder is removed in a similar manner, by pouring a spoonful of fuel through the spark plug hole, when the piston is in the halfway position. The engine should then be rotated rapidly by the starter cord, the mixture blowing out through the spark plug opening.
Any regular grade of petrol (gasoline) may be used. It is not necessary to use high octane or super grade fuel. The petrol should always be mixed with suitable oil, in the ratio of 1 part of oil to 33 or 50 parts petrol, as appropriate (1 part to 20 for the first 10 running hours). When filling the tank with fuel, use a fine mesh or chamois leather filter.
The gearbox should be filled to the level between the end and the mark of the dip stick. Use gear oil SAE 140 for the initial 50 hours, thereafter use SAE 90 gear oil (Webmaster's Note: Some owners prefer always to use SAE 140). The capacity is 0.85 litres* (1.5 Imperial pints or 1.75 US pints).
*Webmaster's Note: The original Operator's Manual suggests 0.7 litres under this heading, but then suggests 1.5 Imperial pints (1.75 US pints - equivalent to 0.85 litres) elsewhere in the Manual. Some later versions of the Manual advise the necessity of compensating for the tilt of the engine when filling the gearbox. Personal experience suggests that too much is better than too little (See "Stuck Solid" for a cautionary tale - and the Webmaster has had a similar experience, in reverse).
The grease cup on the inboard sterntube bearing should be filled with good quality water pump (HMP) grease.
Starting is generally the same as for a cold engine, except that the choke should be left in the run position. No choke is used, because the mixture will be too rich and the engine will not start.
If the engine has been 'flooded' or 'over-primed' the engine will not start. Proceed as follows: -
A very hot engine may refuse to start, even if not 'flooded'. In this case: -