Tohatsu MFS 3.5 A2 [12/165] Tools and instruments

1-5

4st 2/2.5/3.5 2007

2) Instruments

For the following measuring instruments, use commercially available ones.

Circuit tester (Resistance : 1Ω, 10Ω, 10 kΩ, AC voltage : 30 - 300V, DC voltage : 30V)

Vernier calipers (JIS B 7507 : M1 type, 300 mm)

Micrometer (JIS B 7502 : minimum graduation of 0.01 mm, outer, 0 - 25 mm, 25 - 50 mm, 50 - 75 mm)

Cylinder gauge (JIS B 7515 : 4 - 6 mm, 10 - 25 mm, 25 - 50 mm, 50 - 75 mm)

Ring gauge (JIS B 7420 : ø5.5, ø14, ø20, ø47, ø55)

Dial gauge (JIS B 7503 : minimum graduation of 0.01 mm)

Thickness gauge (JIS B 7524 : 0.03 - 0.3 mm)

V block (JIS B 7540)

Surface plate (JIS B 7513 : 500 mm x 500 mm)

Dial gauge magnet base or dial gauge stand

Model

Speed at WOT

(Wide Open Throttle) (r/min)

F2A/F2.5 A 4,500 - 5,500

F3.5 A 5,000 - 6,000

3. Tools and Instruments

1) Test Propeller

P/N. 3AB-64111-0

Outer diameter : 120mm

Width : 16mm

(Reference value)

This test propeller has been designed for break-

in operation and load test operation.

The engine speed at WOT varies depending on

the conditions such as the level or water or air

temperature, and thus, the measurement is not

for confirmation or power of the engine.

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