TOHATSU 90 - RPM Performance Test

SECTION 4
4-10
3-/ 4-Cylinder
RPM PERFORMANCE TEST
NOTE
Engines are equipped with RPM limiting function. If
full throttle RPM values cannot be obtained, see
RPM Limitation Test in Section 7.
CAUTION
Do not perform RPM test if engine shows signs of
overheating.
Perform this test with correct test propeller installed and with the
engine in a test tank.
1. Operate engine up to normal operating temperature.
2. Stop engine and install tachometer.
3. Start and run engine at NEUTRAL idle and verify specified RPM
is obtained. If test tank conditions permit, run engine in forward
gear at trolling and full throttle speeds and check for correct RPM:
4. If test results vary, refer to Troubleshooting in this section.
Model
NEUTRAL
Idle
RPM
Trolling
Speed
RPM
Full Throttle
Speed
RPM
40D 900 750 4500 - 5500
500 900 750 5000 - 5700
40D2 900 750 5000 - 5700
50D2 900 750 5150 - 5850
60B 900 750 4900 - 5600
70B 900 750 4900 - 5600
60C 900 750 5150 - 5850
70C 900 750 5150 - 5850
80A 900 700 5000 - 5500
90A 900 700 5000 - 5500
115A2 900 700 5200 - 5700
120A2 900 700 5000 - 5500
140A2 900 700 5200 - 5700
1
T1170