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RACE ENGINES Europe
Official agents for the Yamato Motor Co., Ota, Japan
– Yamato 331 Race Engine –
Introduced in the race stadiums in December 2014
Model 321
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Model 331
The diameter of the Exhuast Pipe is reduced
Model 321 Model 331
Thickness of the Cylinder Head is increased by 0.5
C L I C K T O D O W N L O A D
C L I C K T O D O W N L O A D
C L I C K T O D O W N L O A D
In 2017 a new Transister Ignition / Flywheel upgrade was introduced. This produces a stronger and more reliable spark.
The 331 Flywheel - painted black - MUST be used with the new style Transister Ignition.
Model 302-331 Production Changes
Cylinder Head
302
331
Intake Manifold
245mm
285mm
Air
Funnel
221mm
275mm
Waterproof
Cover
14mm
18mm
195
191
Drive Shaft
Housing
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