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Old 14 June 2008, 18:49   #1
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Yamaha Spark Plugs
Hola

Can some one give precise tech data on the following:

What is the standard spark plug brand and electrode gap used on yamaha 25 HP 2 stroke engines ? Would it be NGK plugs ? Thanks in advance.

Happy Boating
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Old 15 June 2008, 09:14   #2
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Most of the Yamaha user manuals are online - see http://www.yamaha-motor.com/outboard...px?ls=outboard

They seem to usually specify NGK, but the type depends upon which 25hp 2 stroke it is ...
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Old 15 June 2008, 17:02   #3
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Length: 4m +
Engine: Tohatsu 18 /30 HP
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Quote:
Originally Posted by BumbleAbout View Post
Most of the Yamaha user manuals are online - see http://www.yamaha-motor.com/outboard...px?ls=outboard

They seem to usually specify NGK, but the type depends upon which 25hp 2 stroke it is ...
Thanks, uses NGK B7HS-10, with 1.0 mm electrode gap.

Happy Boating
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