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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
The chain tensioner access bolt washer should be replaced during service. Failure to replace this part could lead to oil leaks or dirt and grit entering the engine. If this part is not replaced you risk stripping out the crankcase thread when overtightening the tensioner bolt in an effort to stop oi..
us$3.95
Brand: ATC Heaven
The chain tensioner bolt is the bolt on the underside of the engine.Sometimes confused with the drain plug this bolt allows access to the cam chain tensioner. Although this bolt rarely wears out it is sometimes lost during disassembly and should be replaced with the correct item. Suits ATC70 73-85, ..
us$7.20
Coil Lead Clip, ATC90, see desc 4 more
Out Of Stock
Brand: ATC Heaven
This is the clip that secures the coil lead.Ensures that coil lead is retained and lessens the chance of lead becoming snagged on sticks and other hazards when riding. Suits ATC90 all Also suits C70M 70-71, CL90 67-69, CM91 66-69, CT90 66-68, S90 64-69, SL90 '69...
us$5.20
Cylinder Dowel, 10 x 14mm see description
Out Of Stock
Brand: ATC Heaven
The cylinder dowel is one part that will most often be damaged or destroyed when removedYou need a special dowel puller to remove this item but being such an expensive item most people usually opt for a pair of vice grips. The dowel serves an important function in holding the gasket in place and lin..
us$2.95
Brand: ATC Heaven
This is a 10x16mm dowel used in various locations in ATC models.Be sure to replace damaged or missing dowels as they serve an important function in locating gaskets and ensureing correct alignment of cases. Suits ATC70 all, ATC90 all, ATC125M all, ATC200ES all, ATC250ES/SX all, ATC250R all, ATC350X ..
us$2.95
Brand: ATC Heaven
This is the rubber cover fitted over the clutch adjusting nut on auto clutch ATC70-ATC125M models. Most often lost you can now replace it with this part. Just snaps in place over the securing washer. Note: Fits ATC70, ATC90, ATC110, ATC125M, most models..
us$14.30
The brake return spring can often become fatigued or weakened during normal service, and also when removed for brake shoe replacement. Consider replacing these springs as part of normal maintenance since they play a vital role in ensuring brake shoes are fully disengaged after use. Suits ATC70 all, ..
us$5.50
Get this new upper bar holder and make your ATC like new againWhy bother spending hours polishing your old ones when you can just buy these brand new OE Honda items. Fit and forget. Suits ATC70 73-82, ATC90 73-78, ATC110 79-82, ATC 185 80-82, ATC200 81-82Also suits CA110 62-69, CL70 69-73, CT70 79-8..
us$9.50
Lower Bar holder, use this item in conjunction with the upper bar holder "BHU-937-73" fastens handlebars to fork top plate. Suits ATC70 73-82, ATC90 74-78, ATC110 79-82, ATC185/S 80-82, ATC200 81-82, ATC200E '82Also suits CL70 69-73, CT70 79-82, CL90 67-69, CT90 '69, XL70 74-76, XR70R 97-03, Z50R '7..
us$14.50
This item works in conjunction with the Brake Arm Joint. It is often lost or misplaced and can become siezed making brake adjustment difficult if not impossible. If you don't need one straight away, we suggest you grab one anyway and throw it in your toolbox for later use. Note: suits most model ATC..
us$2.40
This is an often lost or misplaced part that suits many different model ATCs with drum brakes. It is located on the brake arm and serves to pivot when the brake is actuated to allow the brake arm to work correctly. Without this item the brakes make stick on or just fail to work. Suits ATC90 73-98, A..
us$2.50
Here is an aftermarket amber 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
Showing 85 to 96 of 157 (14 Pages)