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What is the mix ratio for a Johnson outboard motor?
Any Johnson outboard motor built since 1964 requires a 50/1 fuel ratio. Motors built prior to that date require a 32/1 ratio, with the exception of a few fishing motors built prior to 1955 that use a 16/1 ratio.
50:1 But if your doing mostly low rpm cruising (trolling) then you could reduce that a bit to 75:1 to help reduce smoke. If you do mostly mid to higher rpm cruising, then 50:1 (1 pint to 6 gallons. )
Or 200mls in 20 liters if your Canadian.
50 litres petrol:1 litre Outboard TCW3 OIl 100litres petrol:1 litre Outboard TCW3 @ 50:1 You Would Put 240Mls Oil In 12 Litres Petrol @ 100:1 You Woul Put 120Mls Oil In 12 Litres Petrol
The engine will self destruct if you continue to run it without the proper oil mixture. Some oil systems have to purged of air if ran dry. Seek professional assisstance.
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