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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 large washer that goes under the headstockNot a part that wears out generally but can become rusted. Replace this item when you fit a new headstock nut. Suits ATC70 73-85, ATC90 74-78, ATC110 79-85, ATC125M 84-85, ATC185/S 80-83, ATC200E/ES 82-84, ATC200M 84-85, ATC200S 84-86Also suits Z..
us$3.95
Brand: ATC Heaven
The original Headstock nut on your ATC70 can become dull, scratched and rusted after only a short period of timeWhy not replace it now with this factory item. Genuine parts are becoming harder to find so get this now before they are all gone. Suits ATC70 73-85, ATC90 74-78, ATC110 79-85, ATC125M 84-..
us$11.55
Headlight Mount Bracket ATC70 | ATC90
Out Of Stock
Brand: ATC Heaven
Here is a great repro item for your early ATC70 or ATC90. Headlights were an optional extra on first model ATC90 and 73-74 ATC70. Finish off your restoration perfectly with a set of these brackets.Suits ATC70 73-74, ATC90 70-71...
us$50.00
Brand: ATC Heaven
This spring goes between the headlight lens and the light body and act to secure the lens in place while allowing a small amount of give to compensate for minor bumps. Vary rarely broken but most often lost when disassembling the headlight. Suits ATC70 73-74, ATC90 all, ATC110 79-80, FL250 77-79, Z5..
us$4.90
Hand Grip Spacer ATC90
Out Of Stock
Brand: ATC Heaven
This spacer it the item fitted between the thumb throttle and hand grip on ATC90 modelsAvailable in either Black or White, (white shown) please choose your colour from the list.Suits ATC90 70-78..
us$9.00
Brand: ATC Heaven
Replacement Hand Grips, Suits just about every ATC and ATV made by Honda, Don't waste money on inferior grips, get these premium OE Honda items now. SOLD PER EACH. Suits ATC90 ATC110 ATC125M ATC185 ATC185S ATC200 ATC200X ATC250R ATC250ES ATC250SX ATC350X TRX250 TRX250R TRX300 TRX300FW TRX300EX TRX35..
us$18.20
Brand: ATC Heaven
This is the washer that fits under the guide roller bolt.It is essential to seal the cylinder head thread and must be replaced when fitting the guide roller bolt.Suits ATC70 73-85, ATC90 all, ATC110 all, ATC125M 84-85, TRX70 86-87, TRX90 93-05Also suits TRX90EX 07-09, TRX125 85-86, Z50 68078, Z50R 7..
us$3.50
Guide Roller Bolt ATC70 | ATC90 | ATC110 | ATC125M
In Stock
Brand: ATC Heaven
The guide roller bolt locates the guide roller within the cylinder. If you ever wonder what the little hex head bolt was for that goes on the left side of the cylinder now you know. Don't remove it out of curiosity. Although this bolt rarely wears out it is sometimes lost during disassembly and shou..
us$5.60
Brand: ATC Heaven
Replace your missing or worn gear change rubber with this OE itemAfter years of abuse the original rubber can become worn and tornNo need to put up with that, just fit this new rubber and you're away. Suits ATC70 all, ATC90 all, ATC110 79-81, ATC185 80-81, ATC200 81, ATC200X 83-87, ATC250R 81-86, AT..
us$2.70
Gas Cap Gasket, ATC70 | ATC90 | ATC110 | ATC185/S | ATC200
Hot Out Of Stock
Brand: ATC Heaven
After years of being subjected to fuel spills and general aging the gasket under your gas cap can start to deteriorate allowing fuel to leak past the cap. Certainly one thing you don't want to happen to a freshly painted tank. If your cap has a leaking gasket then this is the cure. Suits ATC70 73-85..
us$4.95
Gas Cap, ATC70 | ATC90
Out Of Stock
Brand: ATC Heaven
Nothing looks worse on a newly restored, or daily rider ATC than a rusted gas cap.Thats the nature of chrome plated parts, unless you keep them well waxed, they just rust. Solution! fit a new one, no surprises there. This cap will fit all model ATC70s as well as ATC90 and practically all model ATCs ..
us$19.95
Brand: ATC Heaven
Fuel Tank Strap. This part plays an important role in securing the fuel tank in place on the ATCIf this part is broken or missing damage to the frame or fuel tank can occur.Suits ATC90 70-78, ATC110 79-80..
us$25.00
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