The new R1 maintains the same liquid-cooled 4-stroke, DOHC, 40 degree forward-inclined, 4-cylinder and 5-valve fuel injected engine format. But a new-design combustion chamber, high-lift cams and 12.4:1 compression ratio has increased intake/exhaust efficiency for a significant boost in power output.
Source: frasermotorcycles.com.au
Source: frasermotorcycles.com.au
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