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olivera · 24-09-2019, 07:53 AM

Can anyone share details of the symptoms of a damaged carb diaphragm please? I have an issue with midrange throttle where the bike (1995 M900) runs on one cylinder. The bike runs fine at low throttle position (I believe this is where the carb is using the pilot jets), it then runs on one cylinder during the midrange (usually where the carb runs on the needle jet) and runs fine when at full throttle (main jet). Before I start to strip the carbs, thought I see if anyone has had a similar problem or can advise me of the symptoms of a damaged diaphragm.

Any advice would be most welcome please?

24-09-2019, 07:53 AM	#1
olivera Registered User Join Date: Jul 2011 Location: Bedford Bike: M900 Posts: 55	Carb diaphragm or something else? Can anyone share details of the symptoms of a damaged carb diaphragm please? I have an issue with midrange throttle where the bike (1995 M900) runs on one cylinder. The bike runs fine at low throttle position (I believe this is where the carb is using the pilot jets), it then runs on one cylinder during the midrange (usually where the carb runs on the needle jet) and runs fine when at full throttle (main jet). Before I start to strip the carbs, thought I see if anyone has had a similar problem or can advise me of the symptoms of a damaged diaphragm. Any advice would be most welcome please?