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ATC90 74-78

ATC90 74-78

This section allows you to search for all parts relevant to Honda ATC90 74-78 models


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
  • 22x11x3.5 low pressure tyres, (1974) 22x11x8 split rim (1975~)
  • Tyre pressure 0.1 kg/cm2 (1.5 PSI ) 1973. 0.15kg/cm2 (2.2PSI) 1974~
  • 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)
  • Plug NGK D8HS
  • Valve clearance (cold) 0.05mm



Brand: ATC Heaven
Great new repro item,  get  this lens to replace your broken or missing lens. Suits ATC90 74-78Please note image shown is for reference only, you will receive the correct ATC90 lens..
us$25.50
Brand: ATC Heaven
Here is a great item to repair or rebuild your existing wiring harness.Coloured cable comes in most popular styles, just pick your colour from drop down box. Cable is 13' long and rated at 14 amps, made in Japan just like your bike..
us$13.00
Brand: ATC Heaven
This is the Posi Torque Decal, gives intructions on operating the Posi Torque transmission. fitted to left side of fork bridge. Suits 70 to 73 models..
us$6.50
Brand: ATC Heaven
Here is a nice universal Ignition coil, It works with either points or CDI ignition system, Works on Honda, Yamaha, Suzuki and Kawasaki.You may need to fabricate a mount bracket but apart from that its plug and play...
us$45.00
Get this replacement seat cover for your torn or cracked original. Once moisture is allowed to enter the foam the steel pan will start to rust. Make sure you replace the cover before this starts to happen. This high quality cover has the correct heat sealed seams just like OESuits ATC90 74-78..
us$89.00
Gas Cap Generic ATC70 | ATC90 Gas Cap Generic ATC70 | ATC90
Out Of Stock
Brand: ATC Heaven
This is a generic gas cap that has a gold zinc plate finish as opposed to the OE chrome plated versionThis cap will fit all model ATC70s as well as ATC90 and practically all model ATCs with the small chrome cap. Suits ATC70 73-85, ATC90 70-78Also suits CT90 72-78, P50 67-68, QA50 70-75...
us$12.00
This fuel filter is a variation on our inline filter, has clear body so you can tell its working and features a right angle outlet. Great for fitting in tight spaces where a straight inline filter won't go...
us$4.15
Brand: ATC Heaven
Petcock gasket, this item often contributes to fuel leakage from the fuel tap. This will fit many Honda Applications but in some cases the rivets will need to be removed, threads tapped and screws substituted.It requires advances skills for fitmentSuits ATC70 78-85, TRX70 86-87 plus many other model..
us$7.90
Get this reproduction throttle cable for your ATC90. Has black outer casing.Suits ATC90 74-78Please note, Image shown is not correct for this item..
us$29.00
Fuel Hose 5.5mm GREY (500mm)
Out Of Stock
This is the GREY primary fuel hose used in early ATC70, ATC90 models, 5.5mm ID. Whether you are doing a restoration or just want quality fuel hose this is it. OE Honda, same as originally fitted to your ATC. Sold in 500mm lengthsNote, Image shown is for black hose..
us$9.00
Brand: Wide Open
This is a rubber Hand Brake Lever Tip goes on the end of the brake lever. Fits ATC90 70-78(complete lever shown in pic but part is only end rubber tip)..
us$6.55
As with any unprotected steel component, the seat pan is susceptible to corrosion, this is accelerated when moisture is allowed into the foam through a split or torn cover. After years of use most seat bases will be rusted beyond repair which makes this item invaluable to the restorer. Just fit and ..
us$40.00
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