Horsepower of KHK?

Production K Models

Horsepower of KHK?

Postby ClintsMotorcycles » Thu Jan 21, 2021 4:55 pm

Hello,

Does anyone know the peak torque and horsepower for a stock 1956 KHK? I have been surfing the web and am seeing numbers from 38HP to 52HP.

Thanks,

Clint
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Re: Horsepower of KHK?

Postby hugoct » Thu Jan 21, 2021 5:13 pm

52 would be real good for a KHRTT
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Re: Horsepower of KHK?

Postby wz507 » Thu Jan 21, 2021 10:00 pm

The 1955 KH Riders Hand Book quotes the following.

38 HP @ 5200 RPM
42 ft-lb torque at 4200 rpm

Was there a KHK Rider's Hand Book with HP and Torque specifications?

With the exception of the cams, the KHK would be very similar to the KH, so I would think the low 40 HP range would be realistic and optimistic for an engine with relatively low airflow and corked up with a muffler. IMHO the higher 40s would be a serious stretch and 50+ HP is out of the question for a stock engine. And of course one of the most significant considerations of all - on which dyno and who's dyno?
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