Quote:
On 2006-09-02 13:04, merlin wrote:
You're 'wild guess' might have some validity. I check the service manual. The carb heaters are operated by a sensor under the right side cover. a flat, wedge shaped item, its there but you need to look to see it, not very obvious. It turns the heaters on at anything below 10 degrees C. The electrical connects to the carbs are quite obvious, just not to be confused with the TPS. There are two connectors per carb. So the check would be quite easy, turn the bike on above 10C, put a voltmeter across the two connectors. Cool the sensor (ice cube in a sock?) and see if there is any voltage across the connectors. I don't know the voltage, (12v system so/) but it doesn't matter. If there is NO v - there's a problem.
Any your're quite right, of course, the ambiant temp can be relativily high, if the humidity is high you can get carb ice.
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thanks guys for the good advice I make control off the heaters, but I think the problem is something else, at high altidude the bike become very rich, the outlet of the mufflers are covert with soot ...I think the main jet is too large, so I will test the air/fuel ratio by a gas-analyser and let you know
Dirk