One idea at a time in focus mode
The cooling numbers Haynes prints, and the upgrades this pass could not source.
Before you start
Your own risk. Wrong jetting or timing can seize the engine. This is information, not advice.
How many steps: 2
Step 1 of 2
Stock thermostat and coolant figures stay on the specs.
Haynes: the thermostat begins to open at 70–75°C, with 3.3 mm of lift at 90°C. Coolant is a 50/50 mix of distilled water and ethylene glycol suitable for aluminium, about 0.9 litres. MCN’s 60°C before hard riding is a riding habit, not that opening temperature. Those figures do not become wrong because a pipe was changed. They are the stock cooling system. A pipe that moves the power higher up the rev range is a reason to watch the gauge, not a new temperature limit.
Step 2 of 2
A bigger radiator is not sourced. Watch the gauge.
No sourced larger radiator, different thermostat temperature, or fan kit was found for these years. A part number and a temperature for any of those is To verify. The cooling bleed procedure and the temperature-sensor location are still To verify. The sensor resistances Haynes prints are on the electrics page.
This guide is done. Your place stays on this device.
Haynes: the thermostat begins to open at 70–75°C, with 3.3 mm of lift at 90°C. Coolant is a 50/50 mix of distilled water and ethylene glycol suitable for aluminium, about 0.9 litres. MCN’s 60°C before hard riding is a riding habit, not that opening temperature.
Those figures do not become wrong because a pipe was changed. They are the stock cooling system. A pipe that moves the power higher up the rev range is a reason to watch the gauge, not a new temperature limit.
No sourced larger radiator, different thermostat temperature, or fan kit was found for these years. A part number and a temperature for any of those is To verify.
The cooling bleed procedure and the temperature-sensor location are still To verify. The sensor resistances Haynes prints are on the electrics page.
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