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				Wayward rev counter.
				Posted: 11 Aug 2015 19:55
				by Pat
				The Rev counter on my 78 350/500 previously reliable, has today started to flip right round to 10,000 rpm once it's gets past (a genuine) 6,000. The engine is raving normally, just the rev counter acting strangely. It seems normal and accurate below 6,000. Any ideas gents? Thanks.
			 
			
					
				Re: Wayward rev counter.
				Posted: 12 Aug 2015 07:20
				by Ralph
				Mine did that cleaning all the connections especially the earth's fixed it.
			 
			
					
				Re: Wayward rev counter.
				Posted: 12 Aug 2015 15:42
				by Pat
				Cheers Ralph, I'll try that this weekend.
			 
			
					
				Re: Wayward rev counter.
				Posted: 12 Aug 2015 21:14
				by unreal
				Also try it on the other transducer but it's often as Ralph said, contacts.
Simon
			 
			
					
				Re: Wayward rev counter.
				Posted: 13 Aug 2015 17:41
				by Pat
				I have a motobat to go in as well so I'll check and clean all the earth's as suggested. Thanks.
			 
			
					
				Re: Wayward rev counter.
				Posted: 01 Sep 2015 21:57
				by Pat
				Cleaning Connectors and the earth's did the trick. Thanks gents.
			 
			
					
				Re: Wayward rev counter.
				Posted: 02 Sep 2015 07:19
				by Ralph
				Ta for letting us know how you went on, 
when mine did it I at first thought it was
the clutch slipping.
			 
			
					
				Re: Wayward rev counter.
				Posted: 02 Sep 2015 22:28
				by Pat
				Luckily I wear a pisspot helmet so could tell it wasn't the clutch slipping. So reliant on the rev-counter as the speedo is more like a windscreen wiper. Cheers.