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Old 04-06-2014, 10:49 PM   #1
Dave
 
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Country: UK
Location: Scotland
Occupation: Offshore Seismic Surveyor
Interests: Boats of any shape or size
Boat name: Miss-T
Boat make: Ring 21B
Engines: 200 XR2
Cruising area: Loch Earn

Join Date: Feb 2006
Location: Scotland
Posts: 239
Info required for old XR2

Can someone please clarify what the max rpm on a 200HP XR2 should be, read somewhere they are running faster than the 150HP XR2 I have but just wanted to confirm it.

Also, what should I be running the premix with this engine. After some discussions on this site, the 150 is being run with a 40:1 mix, should this be the same for the 200 version?

Cheers
Dave
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Old 04-06-2014, 11:33 PM   #2
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Country: UK
Location: Coventry (but from Lee on Solent)
Occupation: Sales Director
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Boat make: Extreme 21
Engines: Merc V8
Cruising area: Solent

Join Date: Jul 2005
Location: Coventry (but from Lee on Solent)
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32:1 with merc high performance blend and max rpm of 7k assuming its a late race xr2. See http://www.boatmad.com/forum/f5/mercury-xr2-hp-23356.html
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