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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


Brand: ATC Heaven
This is the small rubber umbrella that goes under the starter handle on US90 models, it prevents dirt and grit from entering the recoil start mechanism so plays an important role. You should always replace this part if it is damaged or missing to prevent expensive damage to your recoil starter.Suits..
us$14.00
Brand: ATC Heaven
This is the steering head nut that fastens the front forks in to the frame. Regular maintenance calls for the steering head bearings to be lubricated and this item should be replaced at the same time if corroded or damaged. Correct for 78-85 model ATC70 but also can be used on 73-74. Suits ATC70 78-..
us$15.30
Brand: ATC Heaven
This is the pull starter cage fitted to ATC90 and early ATC110 models with 3 bolt cage. This item often wears when the starter pawls fail to retract fully after the engine starts. This item should be replaced when wear is detected to prevent possible damage to the starter and flywheel/stator should ..
us$23.40
Brand: ATC Heaven
Replace that old broken recoil spring and stop push starting your ATC. This spring is a direct replacement for ATC90 all. also suits ATC110 79-84, ATC185/S 80-82, ATC200 81-82, ATC200E 82-83.DOES NOT SUIT ATC70..
us$24.00
Brand: ATC Heaven
One item that can spoil your whole day is a broken recoil starter rope. Grab one of these and chuck it in your toolbox even if you don't need it now. Suits ATC70, ATC90, ATC110, ATC125M all..
us$6.60
Recoil Starter Pulley, ATC90
Out Of Stock
Brand: ATC Heaven
If your old recoil pulley is on its last legs then here is what you have been searching for. After time the old pulley starts to wear out the ratchet ramps causing the ratchets to fall out. If this has happened to your ATC just get this pulley and your back in business. Suits ATC90 70-78..
us$69.80
Brand: ATC Heaven
This is the correct screw used to fasten the Recoil start to the side case on ATC70 models, screw measures 6 x 12mm and has pan head, can be used in other locations such as rear cover plate etc. Suits ATC70 73-85, ATC90 70-78, ATC110 79-85, ATC125M 84-87, ATC185/S 80-83, ATC200 81-83, ATC200S 84-86,..
us$1.65
Recoil Rebuild Kit ATC90 | ATC110
Out Of Stock
Brand: ATC Heaven
Need to rebuild your old worn recoil starter, here is what you need. This kit contains Recoil Spring, Throwout pawls, friction spring, starter handle, friction plate, D Washers, circlip, recoil rope and starter cage. Suits ATC90, ATC110 models WITH 3 bolt starter cage.Please note, image shown is for..
us$89.25
Brand: ATC Heaven
Aftermarket Red Reflector. Fine if you are not too worried about originality and much less expensive the OE. Has black plastic backing and reflector section measures 55mm...
us$6.00
Brand: ATC Heaven
Aftermarket Red Reflector. Fine if you are not too worried about originality and much less expensive the OE. Has black plastic backing and reflector section measures 88mm x 33mm..
us$6.00
Brand: ATC Heaven
This is the clip used to secure the overflow line from the carb. Make sure you replace this when renewing your fuel lines. Suits ATC70 73-85, ATC90 70-78, ATC110 79-85, ATC125M 84-87, ATC200ES '84, ATC200M '85, ATC250ES 85-87, ATC250R 81-86, ATC250SX 85-87, ATC350X 85-86Also suits NX50M 81-82, C70 7..
us$1.95
Brand: Wide Open
Neutral Indicator is located on the left side of the engine behind the recoil starter. Most often lost during disassembly but can also become cracked with age. Suits ATC70 78-85, ATC90 70-78, ATC110 79-85, ATC125M 84-85, ATC185/s 80-83, ATC200 81-83, ATC200E/ES 82-84, ATC200M/S 84-86, TRX70 86-87, T..
us$8.50
Showing 49 to 60 of 157 (14 Pages)