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Topic : BB kit and random noises?
 Author 
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 daz 
Zeus
Reg. Date : 12/05/2009
Posts : 7,709
Location :  United States
Posted : 02 Nov 2010 - 19:35   Post title : BB kit and random noises?
 
As i sit waiting for my bike to be done a question came to me that has me real curious. We all seem to have experienced various random engine noises when our bikes were new. What about those who got thier bikes BB'd after the noises in thier 1600 had settled down....did they come back after the kit was installed and then settle down again once well broken in? I'm just curious because it might be a clue as to where those noises came from, or at least rule out certain things.

 
2010 Blue/White Thunderbird, "Brutus". 1700 kit, short tors, gutted cat, UNI filter, filter seal off, custom tune. Brutus in his native habitat: Link
 Author 
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 FTL40 
Jupiter
Reg. Date : 13/10/2009
Posts : 1,122
Location : massachusetts, United States
Posted : 03 Nov 2010 - 02:39   Post title : Re: BB kit and random noises? (Re: daz)
 
my 1700 is quiet and smooth

 
2010 tbird 1700 silver (fastest color) BC exhaust, BC airbox removal

 Author 
Post  
 daz 
Zeus
Reg. Date : 12/05/2009
Posts : 7,709
Location :  United States
Posted : 03 Nov 2010 - 03:00   Post title : Re: BB kit and random noises? (Re: FTL40)
 
was it a 1600 you BB'd?

 
2010 Blue/White Thunderbird, "Brutus". 1700 kit, short tors, gutted cat, UNI filter, filter seal off, custom tune. Brutus in his native habitat: Link
 Author 
Post  
 Thatch 
Thor
Reg. Date : 24/06/2009
Posts : 3,655
Location : Savannah, GA, United States
Posted : 03 Nov 2010 - 05:36   Post title : Re: BB kit and random noises? (Re: daz)
 
I did not get any of the 'new engine clatter' when I got my BB kit installed.

 Author 
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 Birdy68 
Thor
Reg. Date : 16/07/2009
Posts : 3,352
Location : Bad Zurzach, Aargau, Switzerland
Posted : 03 Nov 2010 - 09:09   Post title : Re: BB kit and random noises? (Re: Thatch)
 
Well - I had my BB-Kit installed when the 'Bird only had 1000 km on it! So what I'm saying is - I didn't have her long enough to notice any noises as a 1600...


But hey - the 'characteristic sounds' of my 'Bird are not an issue for me.

 
Birdy68
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Leave the pork pies for now - get the sausage rolls while they're hot!

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 Author 
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 FTL40 
Jupiter
Reg. Date : 13/10/2009
Posts : 1,122
Location : massachusetts, United States
Posted : 03 Nov 2010 - 13:02   Post title : Re: BB kit and random noises? (Re: daz)
 
yes it was a 1600

 
2010 tbird 1700 silver (fastest color) BC exhaust, BC airbox removal

 Author 
Post  
 daz 
Zeus
Reg. Date : 12/05/2009
Posts : 7,709
Location :  United States
Posted : 03 Nov 2010 - 13:08   Post title : Re: BB kit and random noises? (Re: FTL40)
 
So did it make noises as a 1600 then none when BB'd? Thats what i'm getting at....was there a difference. Looks like Thatch did find the 1700 was quieter. Maybe as has been suggested the bike was indeed designed as a 1700 and downsized to 1600 to create the profitable upgrade path, and as a 1700 it's in better balance. This is a real curiosity to me tho because it's one thing to hears noises which is normal to some degree for any engine. But random noises are always a bit worrisome. If mine is quiet in that regard when i get it back that will be a nice bonus.

 
2010 Blue/White Thunderbird, "Brutus". 1700 kit, short tors, gutted cat, UNI filter, filter seal off, custom tune. Brutus in his native habitat: Link
 Author 
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 DizzE 
Thor
Reg. Date : 12/07/2010
Posts : 3,141
Location : Sunnyvale, CA, United States
Posted : 03 Nov 2010 - 13:32   Post title : Re: BB kit and random noises? (Re: daz)
 
Right...And I hope there is an undiscovered upgrade path for the 1700....that I can discover.

 Author 
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 Thatch 
Thor
Reg. Date : 24/06/2009
Posts : 3,655
Location : Savannah, GA, United States
Posted : 03 Nov 2010 - 13:33   Post title : Re: BB kit and random noises? (Re: daz)
 
If I recall I had about 4k on my bike when I did the install. The top end noise that I started with had started to dissipate by then and were not renewed with the installation of the BB kit. I didn't get the feeling that the initial noises were associated with the parts that were swapped with the kit.



 Author 
Post  
 FTL40 
Jupiter
Reg. Date : 13/10/2009
Posts : 1,122
Location : massachusetts, United States
Posted : 03 Nov 2010 - 20:20   Post title : Re: BB kit and random noises? (Re: Thatch)
 
bike sounded the same before and after

 
2010 tbird 1700 silver (fastest color) BC exhaust, BC airbox removal