ATC90 1976 K4

Category: .

Product Description

ATC90 1976 (K4)

Second of new generation design, very few changes from previous model. Basically the same bike except for decal differences. Honda did a good design job with the previous model and consequently there were no revisions required

Engine Number ATC90E-1500001~

ATC90 , 2nd generation introduced 1974, ends 1978, Features:

Model Code for 74-78 models “942 ”
4 speed auto clutch transmission High & Low range sub transmission
22x11x8 low pressure tyres split rim (1975~)
Tyre pressure 0.15kg/cm2 (2.2PSI)
Length 1570mm, width 970mm, Height 880mm, Weight 93.5kg
Engine bore 50mm, Stoke 45.6mm, CR 7.5:1 Displacement 89.5cc
Carb Keihin 556A, main jet #65, slow #35.
Engine number located below Hi-Lo range selector.
Frame number located on steering head stock left side
Engine Oil capacity1.0 ltr
Fuel tank capacity 6.5ltr,5.5ltr main and 1.0ltr reserve
Point gap 0.3 – 0.4 mm (12 to 16 thou)
Plug gap 0.6 – 0.7 mm (24 to 28 thou)
Valve clearance (cold) 0.05mm


There are no reviews yet.

Be the first to review “ATC90 1976 K4”

Your email address will not be published. Required fields are marked *