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Kawasaki KD80 advertismentThe KD80 was a great first bike for that young rider.
80CC
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KD80 1975-1988 model identification guide

The smallest displacement of Kawasaki's rotary valve bikes.  These bikes are largely built off of the internals of the 90cc rotary valve class of bikes.  See 90cc page for more elaborate details and lineage.  The KD80 (rotary valve version) remained virtually unchanged in its basic design, styling and performance in its 13 year run. 

In 1988 the KD80-N1, known as the KD80X model, would get a complete re-design. The KD80-N1 would ditch the rotary valve engine configuration in favor of a reed valve design. It would also have smaller wheels, different suspension, expansion chamber exhaust and more modern styling.  Overall it would still keep the "playbike" performance and aesthetics while having some (pee-wee class) competition performance.

These bikes however share nothing with the KDX80 & KX80, which are true competition mini bikes. These are styled after the KDX/KX line of motorcycles. They feature Kawasaki's Uni-Trak (single shock linkage) rear suspension and reed valve induction among other advancements for performance.

From a restoration standpoint the KD80 is a great beginner project bike.  It is simple in design and operation. It shares a lot of internal parts with other bikes so parts are plentiful.  The only downside is it is/was never mean for adults to ride.  This could be a perfect vintage bike for a young rider to appreciate newer bikes and innovations as well as teach the basics of motorcycle mechanics.

KD80 specifications and adjustments
Oiling system:  Kawasaki's  Super-Lube
Transmission Oil: 10-30W or 10-40W
Ignition system: Contact breaker point, Points gap: 0.3mm~0.4mm
(see wiring diagram)
​

Carburetor Settings
Type- VM19SC (19mm)
Main Jet - 80
Needle Jet - 4EJ 7-3
Pilot Jet - 17.5
Cutaway - 2.0
Air screw - 1-1/2 turns out


Kawasaki KD80 wiring diagram
KD80 breaker point ignition wiring diagram
For early 85cc (1965-1968) J-series bikes see 90cc models page
Kawasaki KD80A 1975 identification
1975 KD80A
KD80A 1975
*motocross version
Engine No. KD080AE000001-
Frame No. KD080A-000001-

Smaller displacement version of the MC1M.  This model was aimed at young or entry level competition riders. Shares a lot with the MC1M and other 90cc models
KD80A1 1976 identification
1976 KD80A1
KD80A1 1976
*minor updates
Engine No. KD080AE002100-
Frame No. KD080A-002100-

Tank color and graphics only revision. See MC1M
KD80A2 1977
*styling changes
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First year for the plastic fuel tank.
​
*1978
*1979

*missing information Contact if you have information
​
Kawasaki KD80M1 1980 identification
1980 KD80M1
KD80-M1 1980
​*styling updates
Engine No. KD080ME000001-
Frame No. KD080M-000001-

​Swing arm changed from tubular to a box style
Kawasaki KD80M2 1981 identification
1981 KD80M2
KD80-M2 1981
​*styling updates
Engine No. KD080ME005501-
Frame No. KD080M-005501-
JKAKDWM17BA007554-

First year for the new 17 digit VIN number. Different seat
​
Kawasaki KD80M3 1982 identification
1982 KD80M3
KD80-M3 1982
*styling updates
Engine No. KD080ME011201-
Frame No. JKAKDWM1 CA011201-

Kawasaki KD80M4 1984 identification
1983 KD80M4
KD80-M4 1983
*styling updates
​Engine No. KD080ME016601-
Frame No. JKAKDWM1 DA016601-

"80m" displayed on the seat.
​
Kawasaki KD80M5 1984 identification
1984 KD80M5
KD80-M5 1984
*styling updates
​Engine No. KD080ME019901-
Frame No. JKAKDWM1 EA019901-
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Kawasaki KD80M6 1985
1985 KD80M6
KD80-M6 1985
*styling updates
​Engine No. KD080ME022401-
Frame No. JKAKDWM1 FA022401-

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Kawasaki KD80M7 1987 identification
1986 KD80M7
KD80-M7 1986
*styling updates
​Engine No. KD080ME023001-
Frame No. KD080M-0023001-

Kawasaki KD80M8 1987 identification
1987 KD80M8
KD80-M8 1987
*styling updates
Engine No. KD080ME025801-
Frame No. KD080M-025801
JKAKDWM1HA025801-
Kawasaki KD80M9 1988 identification
1988 KD80M9
KD80-M9 1988
*styling updates, last year for this model
Engine No. KD080ME028901-
Frame No. KD080M-028901-

Final model year.
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  • How To Videos
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  • The Junk Man's Blog
  • Service manuals
    • Kawasaki Service manuals
    • Suzuki Service Manuals
    • Yamaha Service Manuals
    • Honda Service manuals
    • Chinese clone engines
    • Hodaka
    • Impac Industries
  • JMG Behind the scenes
  • Media apperances
  • Current Sponsors