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ATC90 70-73

ATC90 70-73

This section allows you to search for all parts relevant to Honda ATC90 70-73 models

ATC90 (US90), 1st generation introduced 1970, ends 1973, Features:

  • Model Code for 70-73 models "918"
  • 4 speed auto clutch transmission High & Low range sub transmission
  • 22x11x3.5 low pressure tyres, SPWAMULASS (Water,Mud,Land,Sand,Snow)
  • Tyre pressure 0.1 kg/cm2 (1.5 PSI )
  • 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, 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


Axle Nut Rear, ATC70, see desc' for others
Hot Out Of Stock
Rear axle nut 14mm. The axle nut is subject to abuse and damage and should be replaced as required.Hex type castle nut suits ATC70 models from 78-85. Also suits ATC70 73-74 front and rear. ATC90 73-78, ATC110 79-85, ATC125M 84-85, ATC185/S 80-83, ATC200 81-83, ATC200E 82-83, ATC200M 84-85, ATC200S 8..
us$2.50
Axle Lock Nut, ATC90, see desc for others
Out Of Stock
Rear axle nut 31mm. The axle nut is most often damaged during removal usually with the incorrect tool such as a plumbers wrench. This nut suits ATC90 (all), ATC110 79-85 ATC125M 84-85, ATC185/S 80-83, ATC200 81-83, ATC200E/ES 82-84, ATC200M 84-85, ATC200S 84-86Also suits TRX125 85-86, TRX200 84, TRX..
us$25.50
Axle Cap pair ATC90 70-74
Out Of Stock
Axle Cap. This item is fitted to the rear axle of first generation ATC90 (US90). It prevents dirt and grit from entering the axle nut and thread. This is an important part as it aids in the easy removal of axle nut and axle. Sold per pairSuits ATC90 70-74..
us$38.00
Rustol Tank Cleaner
Out Of Stock
If your tank has no leaks but does have some rust internally then this product is for you. Rustol could be the greatest thing since sliced bread, however it doesn't go well in your toaster. Just rinse out your tank, dilute Rustol with water and add to your tank. Wait specified time and remove. Rusto..
us$65.00
Got an ATC90 or early ATC110 with a rusted or dented fuel tank. If originality is not important to you and you just want to get going again then one of these plastic replacements is the go. Manufactured from quality fuel grade plastic these tanks will replace your existing unit perfectly.Suits ATC90..
us$250.00
This is the primary fuel hose used in ATC70, ATC90, ATC110 and ATC125M 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 300mm lengths..
us$5.80
Maybe you only need the float bowl gasket and not the complete set. Here is the answer, we sell the float bowl gasket on its own just to get you out of trouble. Suits ATC70 73-74, ATC90 70-78Also suits CT70 69-77, CT90 69-77, ST90 73-75..
us$6.50
This quality kit contains all the parts required to rebuild your ATC90 Carb. Includes "O"Rings, Idle screw, main jet, slow jet, needle seat, circlip and tension springs. Suits ATC90 70-78Note: Suits carb model 556A..
us$31.35
This kit contains all the gaskets and "O" Rings required to service your 73-74 ATC70 Carb.Also contains the filter screen components and includes the brass screen which is unavailable as a seperate item. Suits ATC70 73-74, ATC90 all, Also suits CT70 72-76, CT90 69-75, ST90 73-75...
us$35.50
Rear Tank mount rubber, also serves as an anchor point for the front of the seat. This rubber is necessary for correct seat and tank alignment and retention. Suits ATC90 70-78, ATC110 79-80...
us$30.00
Steering Stem Bearing ATC70/90/110 | ATC125M |  ATC185/S |  ATC200/E/ES | ATC200M/S
Hot Out Of Stock
Brand: ATC Heaven
If you are in the throes of restoring your ATC, or just going about yearly maintenance you should consider replacing the steering stem bearings. The Original design bearings work OK but these tapered caged bearings are a whole lot better. Improve steering efficiency and make your steering feel like ..
us$59.00
Brand: ATC Heaven
This item should be replaced whenever the exhaust system is removed for service or inspection. Leaking exhaust gas is not only dangerous but it robs power from your engine. Be sure to replace this gasket when required. Gasket measures 39mm OD, 32mm ID, 4mm thick. Suits ATC90 70-78, ATC110 79-85Also ..
us$5.20
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