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250cc
Tourist/Trailmaster
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Trailmaster (1960)
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Tourist
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Trailmaster 1960-65
In 1958, the
factory started building bikes with it's newly designed angular frame. It was
not until the 1960 model year that Cosmo started selling bikes with this frame.
The first two models offered by Cosmo was the street/off road Trailmaster
scrambler and the 125cc Wildcat. The first year Trailmasters had a 200cc motor
installed. It was not until the next model year that Trailmasters had the 250cc
motor. Serial numbers range from 410-xxx for early versions with 250-xxx numbers
for all later years. Cosmo stopped
advertising the Trailmaster in 1963.
Tourist 1962-66
The Tourist was the last
Parilla model offered by Cosmo in 1962. It was a street-only bike designed for
"comfortable, long distance, high speed travel" (this is Cosmo's description).
The motor was a weaker version of the GS motor with a "S" cam. Around 1964, the
round gas tank was changed to a more square off version of the GS tank. The
Tourist was sold until 1966 when it disappeared
off the radar.

When people ask what is
the difference between the Tourist and the Trailmaster, I say not much. If you
find a project bike with parts missing, the serial number will not help very
little.
The Trailmaster had the more powerful engine (with the X-1 cam), scrambler tires
and high mounted muffler. The
Tourist had a less powerful motor (with a S cam), low mounted muffler, and later
versions had the "square" tank. Both models had the wide seat with some early
Trailmasters using a slightly slimmer type seat with red piping.

250 Frames and motors:
To see the differences in Parilla frames, then go to the
frames page. To see the differences in
175-250 motors, then go to the motors page.
Stats (Trailmaster): CC:
250
/ Output:
23HP @ 9000 RPM /
Carburetion: Dell'Orto 25mm
/ Gas Tank:
1 3/4
Gallon / Gas
Mileage: 80 MPG /
Weight:
235 lbs. /
Max Speed: 90 MPH

Colors and
prices: Most bikes were
red metallic (frame, forks, fenders) with a red metallic/silver tank. A few were
painted in a blue metallic/silver combination. Some bikes had silver
frames. Prices for the Trailmasters
were $639.00 and the Tourist sold for $579.00 in 1962 and $599.00 in 1966.
Today's
Tourist/Trailmaster outlook: These
were the models everybody used for parts and racing over the last 30 years and
the source is drying up. Both bikes were the most available 250's out there, but
there are not many left. The problem is that 95% of them get stripped down for
parts or converted into Grand Sport clones. Rare are the bikes that are original
& complete, or having an owner restore it back to it's original form. Since the
250 was mostly a USA thing, collectors in Europe are now looking for these
bikes.
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