Feb 24, 2008 - With a different engine and a few other modifications, the workhorse Kawasaki KLR650became the motorcycle of choice for the United States ...
The Kawasaki KLR650 is a dual-sport motorcycle intended for use on both paved and unpaved ... US Marine Corps KLR650 preparing to load onto a helicopter, 2003. KLR650-A: The "A" model was introduced in 1987, based on its KLR600 ...
Marine Kawasakis are converted to diesel power so they can burn the military's universal fuel.CreditDexter Ford for The New York Times
THE United States Marine Corps, legendary for doing more with less, has
used dual-purpose motorcycles for scouting, messenger service, convoy
control and military police work.
But the motorcycles sold today for use on-road and off have a big drawback for military service: they use the wrong fuel.
Other American and NATO military machines, from diesel generators to
stealth bombers, run on JP-8 to simplify fuel supply logistics. While
JP-8, a formulation of jet fuel similar to kerosene and diesel fuel,
works fine in those engines, commercially available motorcycles require
gasoline.
That situation presented an opportunity for Fred Hayes, chief executive
of Hayes Diversified Technologies, a military contractor in Hesperia,
Calif., that has built specially adapted motorcycles for the Marines and
the Army Special Forces for more than two decades. The bikes are
modified to run in the harshest environments on earth with special
lighting and more rugged suspensions and tires.
When the Marines requested a motorcycle that would run on JP-8, other
military contractors proposed outlandish turbine-powered machines. But
the Marines wanted a bike that would actually work, and soon, at a
reasonable cost. Hayes won the contract.
The resulting HDT M103M1 uses the chassis, a few engine components and
all the internal transmission parts of the Kawasaki KLR650, a workhorse
capable of anything from daily commuting to Sahara exploring. But the
Marine machine’s major engine components are all new, built for diesel
service.
The difference was apparent the instant I thumbed the starter button. In
place of the gasoline-powered KLR’s anxious idle, the Marine machine
came to life with the low clatter of a London taxi.
In contrast to a gasoline engine, which responds instantly to the
throttle, a blip of the twist grip resulted in — well, not much. It took
a good three seconds for anything significant to happen.
On a half-hour test ride, the M103M1, though sluggish at first, gathered
speed with dogged insistence. The footpegs and handlebars buzz as the
engine revs — the counterbalancer that controls vibration in the stock
KLR has been omitted to save weight and reduce complexity. Shifting
through the five-speed gearbox gets the M103M1 past 90 miles an hour, a
speed it will hold, apparently, until the end of time.
One of the great advantages of the M103M1’s diesel engine is its
efficiency. At a steady 55 m.p.h. it gets 96 miles a gallon, according
to Hayes, about twice the mileage of the gasoline engine.
This high-mileage machine is also coveted by civilians who crave the
fuel economy of the world’s only production diesel motorcycle. But being
a small, family-run company, Hayes is already working overtime to
satisfy the Marines’ need for the M103M1. So if you want to pilot this
diesel machine anytime soon, your local Marine recruiter is the only
person who can help you.
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