knackeredMk1 wrote:You need to look at the jets the 'racing' bike has. Are they standard .

Yep, standard I'm pretty sure.

But I will see how it goes at the Cambrian Rally next weekend and check them again if there's a problem with the general running.

Thanks for the replies folks, I think I'll leave it. The strange thing is my low mileage totally original Mk3 doesn't do it on start up and only a little when the fuel is running low. The main difference is that the bike in question has an FMF/DEP exhaust system. When it's started after standing for...

Hi Folks This is my first post and I'm asking for help! I've got a 95 Mk3. Occasionally, when fuel is running low I think, the engine races but seems to settle down when I turn it on to reserve. This hasn't happened enough for me to be sure of the cause. Also, when I start it it does race for a whil...