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Post by andrew on Sept 20, 2014 19:40:38 GMT 1
Haven't had much time to look into the problem, but just wandered back into the garage this evening, fired up the bike again and had a real good look around the intake area (forgot to buy the easy start doh!) but when the engines running I thought I could hear it before defo can hear it again now there's a constant pulsing sucking noise around the carb area, a bit like what you would hear if the carbs had no air filter attached (without revving), I think I will remove the carbs and check the intake rubbers and reed valves before I do anything else, has anyone heard a similar noise at all? (of course difficult to describe I know), it may well be normal but doesn't sound normal to an untrained ear that's for sure!
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Post by billyboy on Sept 21, 2014 20:46:57 GMT 1
rubber balance tube between the carbs ok ?
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Post by andrew on Sept 21, 2014 22:02:11 GMT 1
rubber balance tube between the carbs ok ? So glad you asked that as the noises seemed to be in that area, will strip down in the week and thoroughly check the whole inlet area |
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Post by andrew on Sept 27, 2014 17:13:52 GMT 1
Check reed valves get a tin of easy start when bike ticking over spray at reed blocks and base gasket areas if it revs up you got an air leak Sent from my iPhone using Tapatalk Proam, a 1,000 thanks, couldn't believe the problem could be located so easy (but as with most things il try anything once!) sure enough started the bike aimed the easy start at the top of the inlet rubber to inlet port and the engine revved straight away, did it twice (more out of disbelief really) same result, brilliant will strip and replace the gasket then bob should be my uncle  |
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Post by steeley on Sept 27, 2014 17:42:55 GMT 1
in that case fanny will be your aunt.
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Post by andrew on Sept 27, 2014 17:56:17 GMT 1
fpmsl |
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Post by andrew on Sept 27, 2014 18:15:01 GMT 1
Err so removed the inlet rubber and reed block, but where's the gasket??? (asked he reaching for the old Haynes shamual) and what is that poor excuse for sealant? god help us!!!!!!!
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Post by steeley on Sept 27, 2014 18:54:39 GMT 1
Andrew hi,the reed block with the bead of sealer round you will find that is a thin ali gasket if I remember right it has a bead of sealer on the other face.the rubber inlet rubbers don't have a gasket on them.do you see the rubber bead that seals against the reed block.have a look to make sure the fixings for the reed assemblies are not to long.
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Post by andrew on Sept 27, 2014 19:10:56 GMT 1
Ok thanks Steeley, was amazed to see no paper or rubber gasket, will invest in some decent sealant to go around the Ali seal
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Post by andrew on Sept 30, 2014 21:34:14 GMT 1
Im going to use Blue Hylomar to re-seal the ali gasket, or does anyone know a better sealer?
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Post by Tobyjugs on Sept 30, 2014 23:25:26 GMT 1
Loctite 5910 this will stick like shit to a blanket, very good sealant and has a temperature range to 180 deg C
Only problem it can be very difficult to to split sometimes as it has glue like properties.
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Post by andrew on Oct 1, 2014 18:45:13 GMT 1
Loctite 5910 this will stick like shit to a blanket, very good sealant and has a temperature range to 180 deg C Only problem it can be very difficult to to split sometimes as it has glue like properties. cheers for that. |
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Post by billyboy on Oct 1, 2014 20:00:51 GMT 1
I personally would go with a non-setting jointing compound / sealer incase it needs to come apart again
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Post by andrew on Oct 1, 2014 20:47:19 GMT 1
I personally would go with a non-setting jointing compound / sealer incase it needs to come apart again Had the same feeling, and im glad I went with that, the bikes better, but same with the odd temps. swear that I can hear something from the head area, will let the engine go cold (cant be in the garage till Friday now anyway) will try the easy start again, this time all around the head area. How hard can it be?
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