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Old 14 May 2014, 08:44   #1
Country: UK - England
Town: Dorset & Hants
Boat name: Streaker/Orange
Make: Avon/Ribcraft
Length: 4m +
Engine: 50Yam/25 Mariner
Join Date: Apr 2007
Posts: 5,551
Very fast idle when starting question

Wondering if any engine gurus can shed light on a minor issue I have on my 2000 25hp 2stroke mariner.

The only issue I seem to have is it starts and then idles very fast until its warmed up - when it settles down to a nice tickover speed . (This engine has a thermostat regulating flow of water out of the tell tale until its warm enough)

Only happens from cold , but wondering if anyone knows if there is/was some kind of autochoke fitted on these ?

There doesn't appear to be the same prime lever to puch down the primer like on the manual start engine ( near identical ) I had in the past.

There is something fitted ( on top of the carb with a yellow wire that goes of somewhere ) but the plunger doesn't appear be connected to anything

PeterM is offline   Reply With Quote
Old 14 May 2014, 12:52   #2
Country: UK - England
Town: bicester
Length: no boat
Engine: outboard only
Join Date: Feb 2009
Posts: 913
some pictures would be nice, it may or may not help us to help you.It reads as it is the enrichener (electric choke)
uncle al is offline   Reply With Quote

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