MarcS Posted August 15, 2006 Share Posted August 15, 2006 Hey! My '06 GS pops on decel, particularly in lower gears. It is much worse if I take the slack up in the throttle vs. just closing it fully. The dealer says popping on decel is normal but I didn't ask them about it getting worse when I take the slack up (which I just figured out today). Other posts on the 'net say some level of popping/burbling is normal, but this seems excessive to me. It's quite loud -- louder than a sport-tourer with a race slip-on in need of a jet kit, so I'd like to quiet it down, even if it is normal. Any thoughts? Link to comment
Guzzidave1998 Posted August 16, 2006 Share Posted August 16, 2006 Hi Marc I dont know what other sport tour bikes youve had remember its a twin not a 4 its going to pop & make all sorts of interesting sounds good luck. David R12RT V11EV Moto Guzzi Link to comment
David Posted August 16, 2006 Share Posted August 16, 2006 The first thing I'd check is exactly the same valve clearances. And I'd do it yourself so you can check it exactly. Link to comment
PaulW42 Posted August 16, 2006 Share Posted August 16, 2006 If it is that loud, it doesn't sound right. They do burble on the overrun and pop gently but it shouldn't beat a sportsbike with an aftermarket can! Leak in the exhaust system? Link to comment
sb955i Posted August 17, 2006 Share Posted August 17, 2006 Paul's right...Small pops are normal as per dealer. Loud pops ( backfires ) aren't. Have the dealer check for exhaust leaks, and also check the Throttle bodies are clamped TIGHT. I had mild pops/ backfires up until the 10,000km service. Seems a good valve adjust and TB sync has cured it now, finally. Made a heck of a difference to the vibes too..... waaaaaay better. Good luck.. ! Link to comment
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