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Motorcycle specifications Honda250 RC 166 1966 Watchmaking in the competition

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Photo of Honda 250 RC 166 1966

presentation of the 250 RC 166 1966

Nicknamed the "Honda 6", the RC 166 is one of the most famous GP machines in the 250 class. Its 6-cylinder engine was capable of staggering performance and engine speeds. Nearly 19,000 rpm, around 60 horsepower and tiny moving parts that had to withstand insane stresses.

Imagine the work of each connecting rod, barely longer than the width of your hand. They had to traverse the cylinder more than 300 times a second as the engine screamed out its maximum force. A block with so little inertia that it would stall if the driver didn't hold back the throttle a little when stationary.

Mike Hailwood shone brilliantly at its helm: his domination was disgusting (for the competition) as the British rider and the Japanese bike won almost all the races of the season (10 / 12).

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Honda 250 RC 166 1966 - 1Honda 250 RC 166 1966 - 1


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Key facts Honda 250 RC 166 (1966) : What you need to know before you buy

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Model sold in 1966

Performance

  • Max speed : approximately 240 km/h (149.10 mph)

Specifications Honda 250 RC 166 1966

Chassis
Frame : Double interrupted steel cradle
Wheelbase : 1,385 mm (54.53 in)
Dry weight : 112 kg (247 lb)
Front axle
Telescopic fork Ø 37 mm
drum brakes Ø 220 mm (8.66 in)
Transmission
7 stage gearbox , manual
Secondary by chain
Rear axle
2 lateral shock absorbers
drum brakes Ø 200 mm (7.87 in)
Motor
6 cylinders online
6 Keihin Ø 22 mm carburetors
Cooling system : combined air / oil
2 ACT
4 valves per cylinder
249.42 cc
60 ch (59.20 hp) to 18,000 rpm
2.36 mkg to 17,000 rpm
Power-to-weight ratio : 1.89 kg/ch
Weight / torque ratio : 47.46 kg/mkg
Compression : 12 : 1
Practical information
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Models

1966

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FAQ Your frequently asked questions about the 250 RC 166 1966

What is the power of the 250 RC 166 1966?
The 250 RC 166 1966 develops a power of 60 ch (59.20 hp)
What is the torque of the 250 RC 166 1966?
The maximum torque of the 250 RC 166 1966 is 2.36 mkg to 17,000 rpm.
What is the maximum speed of the 250 RC 166 1966?
The 250 RC 166 1966 is capable of reaching a top speed of approximately 240 km/h (149.10 mph) on the track.
What is the weight of the 250 RC 166 1966?
The 250 RC 166 1966 has a a dry weight of 112 kg (247 lb).

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