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SERVICE INFORMATION | ||
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1. Start engine and warm it up well for about 3 - 5 minutes with cycle of 50 seconds at WOT (Wide Open Throttle) and 10 seconds at idling.
2. Adjust H mixture needle to obtain maximum engine speed at WOT. And then turn H mixture needle clockwise until the engine speed starts to drop.
3. When the engine speed starts to drop, turn H mixture needle anticlockwise to obtain maximum engine speed again. And then turn H mixture needle anticlockwise further to reduce engine speed 20 to 30 r/min
4. Adjust the L mixture needle to obtain maximum idle speed.
5. Set idle speed in the range of 2,950 to 3,050 r/min by turning idle adjust screw.
6. Turn L mixture needle anticlockwise to reduce engine idle speed 200 to 300 r/min and set engine idle speed in the rage of 2,650 to 2,850 r/min.
NOTE : Engine speed must be allowed to stabilize a minimum of 20 seconds after each adjustment of L mixture needle to assure accurate tachometer readings.
7. After adjusting carburettor, install White limiter cap on L mixture needle and Red limiter cap on H mixture needle as shown.
NOTE : Before installing limiter caps, warm caps in 90 ° C hot water for smooth installation. Make it sure to use pliers or appropriate instrument to take warmed up cap out from the water.
8. Tap respective limiter caps to the bottoms as shown.
9. Start engine again and make it sure engine runs in the range of 2,400 to 3,200 r/min at idling and the range of 6,800 to 7,700 r/min at WOT. Also make it sure suitable acceleration.