Fuel pumps & diaphragms - Gaskets

FAQ

When should the fuel pump diaphragm be replaced on a Tohatsu outboard motor?
Replacement is advisable if the diaphragm is hardened, torn or deformed or if the engine starts poorly, runs unevenly or runs out of fuel under load.

What symptoms indicate defective fuel pump seals?
Indications include the smell of fuel, visible leaks, air in the fuel system, unsteady engine running or reduced delivery.

Can the Tohatsu fuel pump be repaired with new diaphragms and seals?
Yes, many fuel pumps can be repaired economically with suitable diaphragms, seals or repair kits.

What should I look out for when making a selection?
The decisive factors are the Tohatsu engine model, year of manufacture, performance class, pump design and, if possible, the original spare part number.