1971
The 1971 Honda CT90 'K3, continued the use of model designations that started with the letter 'K", followed by a number. There were only a few changes from the previous year to the CT90 'K3 and no mid year changes in 1971. The Yellow color was changed to Summer Yellow. The exhaust was now a black body with a chrome heat shield.
The "States", via their Department of Motor Vehicles (DMV) or similar named agencies, control the regulation of equipment on vehicles and NOT the United States Federal Government (which could be a more "uniform" set of laws, used in all states). Thus, each state is allowed to set it's own laws regarding equipment on vehicles. Several states (California, Georgia, Kansas, Maine, Massachusetts, Nevada, New Hampshire, & Oregon) had already written laws requiring motorcycles to have turn signals as standard equipment by the end of 1973 (start of 1974). Several motorcycle manufacturers, including Honda, were preparing for this requirement and had in fact started installing turn signals on other models. The best evidence of this is the inclusion within the speedometer of an indicator light for turn signals and on some years the left handlebar switch to activate the turn signals. The 1971 'K3, had the extra light for indicating the activity of turn signals (often called "winkers" in documentation, and labeled with a "W" on the speedometer face). And, there are a few reports of 1971 'K3's having turn signals factory installed, but as of yet we don't have photo proof.
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Model ID |
CT90 'K3 |
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Common Name |
Honda Trail 90 |
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Serial or VIN Number Begins At |
CT90-400001 | |
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Engine Size |
89 cc |
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Engine Type |
Overhead Camshaft |
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Carburetor Type |
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High Altitude Knob Present |
Yes |
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Fuel Petcock Positions - ON RES OFF |
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Jets - Factory - Other |
| |
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Transmission Speeds |
4 Speeds |
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Transmission Shift Pattern (Toe) |
N
1
2
3
4 |
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High - Low Gearing Option |
Dual Range Sub Transmission | |
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Suspension Front |
Telescopic Shocks |
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Suspension Rear |
Telescopic Shocks |
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Speedometer Highest Speed |
80 mph |
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Speedometer Indicator Lights |
Green = Neutral
Amber = Turn Signals
Red = High Beam |
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Speedometer Trip Odometer |
No | |
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Brake Activation Front |
Right Handlebar Lever |
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Brake Activation Rear |
Right Foot Lever and Left Handlebar Lever |
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Rear Cargo Rack, Size & Shape |
Large with Rear Vertical Bar |
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Handlebar Rotates |
Yes |
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Handlebar Color |
Chrome Tube Style |
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Paint Color |
Scarlet Red
Summer Yellow |
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Other Unique Features |
Gray Downtube Cover.
Grey, Battery & Tool Kit Side Cover.
Black Exhaust with Chrome Shield. (First Year) |
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RED
Right Side
Left Side
Front
Rear
We need a Rear photo to put here!
Engine Right Side
Engine Left Side
Seat
Speedometer
Air Box
Yellow
Right Side
Left Side
Front
Rear
Engine Right Side
Engine Left Side
Seat
Speedometer
