Timo
member
Reged: 30/05/2008
Posts: 135
Loc: caterham, surrey
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I serviced my sv 1000s at the weekend. well i did the oil, filter and spark plugs, I did it myself as there is a resession on don't you know. And now my bike doesn't Bang on the overrun and the throttle is alot more responsive. is this because the spark plugs i put in NGK CR8K are different from the ones i took out NGK iridium, or was it the breather pipe that comes off the top off the head next too the sparkplug that wasn't connected too the little box thing on the airbox if anyone knows could someone explain as i like to learn new things? 
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BigHam
veteran
Reged: 12/11/2006
Posts: 1420
Loc: Letchworth, UK
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I couldn't tell you why, aside from the fact that the new plugs may mean that it's burning more completely so no unburnt fuel is going into the exhaust pipe now.
You've improved the bike, why are you moaning?
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Where there's a will and Gaffa Tape there's a way!
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Timo
member
Reged: 30/05/2008
Posts: 135
Loc: caterham, surrey
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I'm not moaning i just like to learn why these things happen, Like my old man used to say thers no such thing as a stupid question, especially if you don't know the answer. 
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manxnorton
journeyman
Reged: 05/12/2006
Posts: 58
Loc: Southern England / France
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The improvement is almost certainly due to the reconnection of the breather;- the small amout of additional air drawn through the open stub on the airbox, together with the lack of closing to the cambox, would be enough to make the mixture too lean, especially on a closed throttle.
I expect the tickover is also more stable now.
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Timo
member
Reged: 30/05/2008
Posts: 135
Loc: caterham, surrey
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To be honest i don't really notice it on tickover except for the fact it sounds like its got a deeper rumble through the pipes the throttle response is where i notice it more before it was like it had a huge turbo lag when it ain't got a turbo. thanks for the help manx
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