Getting a lot of crackle and pop on decel since swapping my carbs, the new ones are setup correctly (she runs better than ever) and I've checked for air leaks everywhere, including the exhaust - it's a viper 2 into 1 system. She wasn't doing this before the carb swap but she wasn't running correctly due to the Mikuni's developing their typical issues. Anyone got any ideas what it could be? Thanks.
Crackle And Pop On Decel
#1
Posted 21 April 2019 - 05:29 pm
#2
Posted 21 April 2019 - 05:37 pm
All gone now - I do miss it though
#3
Posted 21 April 2019 - 05:54 pm
Re-check carb rubbers to airbox.
Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.
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1991 MK1 in need of some TLC watch this space Sorted and on the Road Mick it's the bike that Jack built Gone to Heaven
#4
Posted 21 April 2019 - 05:54 pm
Try riding my KTM, it sounds great because of the crackle and pop !
Carbs have to leak some fuel, that's just a product of the way they work so on over run you're getting a small amount of idle fuel. it might not all burn off because when you let go fo the throttle the timing retards quite a lot when compared to when you're accelerating.
Just enjoy it and smile ?
900 with better bits. Owes me nothing, Makes me smile
#5
Posted 22 April 2019 - 10:38 am
Recently fitted db killers that took all of the popping away but removed them again cos bike was way too quiet
Enjoy those sounds it keeps it interesting
"Life should not be a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming "Wow! What a Ride!"
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#6
Posted 24 April 2019 - 10:07 pm
I get crackle, pop and boom through the Kerker pipe when my mulching tubes are worn.
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#7
Posted 26 April 2019 - 11:17 am
i wouldnt have thought an airbox leak would make any difference at all to popping and crackling - its north of the butterflies.
Unmetered air will cause problems, ie leaking in between the carb and the head, or an air leak on the exhaust.
Infact, I ran a trx850 with no airbox, you cant get more leaky than that!
Edited by Coxylaad, 26 April 2019 - 11:18 am.
#8
Posted 27 April 2019 - 08:31 am
So if you're sure no air leaks are present, checking with brake cleaner or dedorant in a spray can with a running engine, try checking and adjusting the idle mixture screws
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