Honda Z50J

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The Honda Z50J refers to a popular motorcycle produced by Honda Motorcycles belonging to its Z Series family of mini bikes. It began production in 1973 for the European and Japanese markets. In its first few years of production, it was the same as its American counterpart, the Honda Z50A. But in 1978, when Honda dropped the Z50A from its American motorcycle lineup, the European Z50J continued to evolve until 1999. Fewer Z50J are being produced each year and are being sold only as limited editions.

Here is some info about monkeymodels which were sold in Finland. There may be some errors in writing due to my bad english.

Technical info

Brand and model Honda Z50A/Z50J Honda Z50J Honda Z50J
Has been sold 1980–1986 1987–1991 1992–1999
Engine Honda ABO2 Honda ABO2E Honda ABO2E
Engine type 4-stroke 4-stroke 4-stroke
Cooling air air air
Cylinder displacement 49cm³ 49cm³ 49cm³
Cylinder diameter 39mm 39mm 39mm
Length of shock 41,4mm 41,4mm 41,4mm
Compression ratio 8,8:1 10:1 10:1
Biggest power, kW/rpm 1,34/ - 1,55/6500 1,44/6500
Carburetor Keihin PAO2B Keihin PAO2C, 1991 Keihin PAO2D Keihin PAO2E
Mainjet Fixed 58 (1991 55) 58
Fueltank 5l 5l 4,5l
Clutch Automatic Wet multiplate Wet multiplate
Gears 3 4 4
Ignitionsystem Apiculate magneto Electronic CDI Electronic CDI
Voltage 6V 6V 6V
Preignition Timingmark in flywheel "T" Timingmark in flywheel "T" Timingmark in flywheel "T"
Interrupters wing span 0,3-0,4mm - -
Sparkplug NGK CR6HS or DENSO U20FSR-L NGK C6HA or DENSO U20FS-L NGK CR6HSA or DENSO U20FSR-U
Spark plugs wing span 0,6 - 0,7 mm 0,6 - 0,7 mm 0,6 - 0,7 mm
Battery, V/Ah - 6/2 6/2
Length 1,315m 1,315m 1,315m
Wheelbase 90cm 90cm 90cm
Ground clearance 15cm 15cm 15cm
Frontwheel:
Size 3,50x8 3,50x8 3,50x8
Pressure 1 bar 1 bar 1 bar
Rearwheel:
Size: 3,50x8 3,50x8 3,50x8
Pressure 1,75 bar 1,75 bar 1,7 bar
Sparkplugs tensioningmomentum - 9-12 Nm -
Cylinder heads tensioningmomentum 9-12 Nm 12 Nm 9-12 Nm