YAMAHA YZF-RI
VITAL STATISTICS
• Measured wet weight: 450 Ibs.
• Peak horsepower/torque: 146.71 hp/71.30 ft.-Ibs.
• Weight-to-power ratio: 3.06 Ibs./hp
• Fastest lap time: 2:01.93 min. (Sorensen)
• Quarter-mile time: 9.9B9 sec. @ I44.4BO mph
• Price: $10,999
MOTOR
KEY FEATURES
• Short-stroke 99Bcc motor
• Five valves per cylinder
• Servo-controlled secondary
throttle valves
• EXUP exhaust valve
Is
There is no doubt that the Yamaha makes
good power, especially up top. The
motor revs to the moon with a 13,750rpm redline. On the track, the bike is
very easy to go fast on because from BOOO
to 13,000 rpm, the motor is pulling like a
freight train. Last year, this power is what
propelled the Yamaha to the fastest lap
time of the test at Willow Springs, but
things were a bit different this year. The
.-
=-
Yamaha turned the fourth-fastest time of
the day, which was almost 2-seconds off
of the Suzuki's time.
The nature of the Buttonwillow track
hurt the RI because of all the stop-and-go
corners more than anything else. The
huge canyon in the Rl's power curve
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YAMAHA YZF·R1
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175
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146.!1 hpi@ 12.tso..,in
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betwee~6 SO and llO
