Anyone else get a horrible knocking sound at idle?

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JahCoop
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Anyone else get a horrible knocking sound at idle?

Post by JahCoop » 07 Aug 2018, 18:40

I know a 2 smoker can be a noisey engine but I get a fairly loud and deep thudding knock constantly at idle warm or cold on my MK1. Overbored 1.50 mm. Dep pipe standard jetting running autolube and Boyesen dual stage reeds.

Rev it and it goes away but at idle it’s always there!

Something to worry about? Bike runs and rides absolutely fine 🤔


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