Tohatsu 40hp and 50hp 4 stroke full service

In this video, I go over how to service a 40 and 50-hp Tohatsu. This includes changing the oil, oil filter, lower unit gear oil, fuel filter, spark plugs, removing the prop, and replacing the impeller.

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Note: Many of these parts/service items are offsets to genuine Tohatsu parts. Use them at your own discretion!!

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Engine oil (Tohatsu pt no. 33282-3080M) - https://amzn.to/3DYjNKR

Oil filter wrench (Tohatsu pt no. 3AC-99090-0) - https://amzn.to/3DX5Z3e

Oil filter (Tohatsu pt no. 3R0076150M) - https://amzn.to/3UMLD2P

Gear lube (oil) for the lower unit (Tohatsu pt no. 33282-3100M) - https://amzn.to/3riaXzS

Additional (Gear lube pump) - https://amzn.to/3BQ9sOz

Spark plug (Tohatsu part no. 9701-1-1121) https://www.ngk.com/ngk-95064-ikr6g8-...

Power trim/tilt fluid (Dexron III) - https://amzn.to/3StGj2i

Fuel filter (Tohatsu part no. 3B7-02234-0) - https://amzn.to/3ChDGeN

Water pump impeller (Tohatsu part no. 3C8-65021-2) - https://amzn.to/3rdv9Dm

2-4-C Marine grease - https://amzn.to/3B7iBCL

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Additional tools for service

Digital torque adapter 3/8” - https://amzn.to/3Y3SiXN

Oil drain pan - https://amzn.to/3HdIxjL

Rubber mallet - https://amzn.to/3F51FOq

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Torque specs and additional info

Engine oil with oil filter change (without oil filter change) - 2400ml roughly 2.5 quarts (2200mL roughly 2.3 quarts)

Engine oil drain plug - 17 ft-lb

Oil filter - 13 ft-lb

Gear oil - roughly 500ml or roughly 1/2 a quart

Spark plug - 13.3 ft-lb

Bolts holding lower unit to upper limit 38-45 ft-lb (not given in the manual this is rather a general spec for the industry)