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Old 28-11-2018, 08:58 AM   #10
Nasher
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Join Date: Jul 2014
Location: Portsmouth
Bike: M900
Posts: 1,510
They all do that I'm afraid, but it's mainly thought to be fuel evaporating out of the float bowls and the Vacuum fuel pump not being able to fill the bowls quick enough.

There are ways to minimise the effect, such as ensuring the battery is in good nick and the complete set of battery and earth cables supplying power to the starter are in good condition.
Plus making sure the fuel pump is up to scratch with a rebuild kit.
Also of course that the coils, spark Plugs etc are good.

I start my M900 fortnightly if it's not going to get used, and it starts almost instantly.
You can of course convert to an electric fuel pump, or I looked at fitting an outboard engine primer bulb and gave up.

You are not far from me if you need any help.

Nasher
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