Moderator Airhead Posted October 8, 2008 Moderator Share Posted October 8, 2008 Tank not venting? open fuel cap and run it to hot...Just a thought, sometimes people trap vent lines or venting caps block...not many straws left to clutch at Link to comment Share on other sites More sharing options...
stonesie Posted October 8, 2008 Share Posted October 8, 2008 what has been done so far......... fuel tank cleaned.all fuel filters cleaned..petrol pump check and all ok run with air box split to view carbs still the same.new airbox rubbers fitted no change replaced carbs with a good set off a running bike.my old ones are on my mates and are fine. still no change checked that manifold rubber are ok.......... they hold a good vacuum on inlet no air leakage check thro' electrical system coils generator.. all to spec....new plugs and plug caps fitted new regulator fitted new battery fitted remove thermostat to check to see if it opens at correct temp run engine from cold and revs freely till the temp gets up remove air box when fault occurs.revs freely when no load road test with airbox of struggles to get above 5k.but i'm guessing thats a mixture prob with no airbox on so can you think of anything else i've missed Have you tried a commpression test (warm and cold) ive come across bikes with dodgy rings showing similar symptoms! Link to comment Share on other sites More sharing options...
ericbloodaxe Posted October 9, 2008 Author Share Posted October 9, 2008 Have you tried a commpression test (warm and cold) ive come across bikes with dodgy rings showing similar symptoms! that is my next test to do at the weekend.......... got tot the point don't care what the problem is just what to get the damned thing fixed.....lol Link to comment Share on other sites More sharing options...
stonesie Posted October 9, 2008 Share Posted October 9, 2008 that is my next test to do at the weekend.......... got tot the point don't care what the problem is just what to get the damned thing fixed.....lol Sometimes if it is the rings you can smell petrol through your oil filler cap! Link to comment Share on other sites More sharing options...
Recommended Posts