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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
The Resistor Cover used on ATCs is a potential cause of problems.Split rubber seals or cracked insulator bodies may allow moisture to penetrate, resulting in poor performance and misfiring. This spare part made by NGK will replace your original cap perfectly. Consider replacing this component as par..
us$5.60
Brand: ATC Heaven
Got a worn or broken coil lead? No problem, just get this replacement coil lead and you're back in business. Long length means this will work in just about any application. Can be used in conjunction with NGK cable splicer to repair leads that are fixed on the coil end...
us$9.95
Brand: ATC Heaven
This replacement headlight globe is twin fillament 6V 25/25W, although only one fillament is used.Replaces blown globes in ATC70 (with optional lighting), ATC90 70-78 and ATC110 79-80, Also suits ALT125 83-86, YT125 80-85, YT175 80-85, Z50A 68-78, CL70 '69, CT70 69-71, CT70H 70-71, P50 67-68, PC50 6..
us$7.20
Brand: ATC Heaven
Replacement NGK Spark Plug, Suits Honda ATC90 70-78. ATC110 79-81. D8HA..
us$4.95
Brand: ATC Heaven
This is a replacement contact set to suit ATC90 and early ATC110 79-80. Be sure to replace your old set whenever they become difficult to gap correctly to ensure your engine runs at peak efficiency.Suits ATC90 and early ATC110 79-80...
us$25.20
Brand: ATC Heaven
Consider replacing your condenser when servicing your electrical system, The condenser plays an important role in the spark plug firing process and should not be overlooked. Suits ATC90 70-78, ATC110 79-80, FL250 77-80, also fits CT90 66-79...
us$19.90
Rear Sprocket 49T ATC90 74-78, ATC110 79-83
Out Of Stock
Brand: Wide Open
Be sure to replace your rear sprocket at the first sign of wear.Left unchecked a worn sprocket can cause excess chain wear and even chain de-rail which is something you really don't want to experience. Suits ATC90 74-78, ATC110 79-83..
us$58.00
Master Link #428 Chain
Out Of Stock
Brand: Wide Open
This master link suits # 428 chain commonly fitted to ATC90, ATC110, ATC125M. Make sure you always carry a spare because without this item you aren't going anywhere.Note, does not fit "O" Ring Chain..
us$4.60
Brand: Wide Open
If you ever struggled with the chain tensioner on the ATC90 and ATC110 then you will immediately appreciate this item. Sometimes you just cant take out a full link and you either run a loose chain or buy a new one. This lets you set the tensioner down low by shortening the chain by a half link.Suits..
us$4.60
Brand: Wide Open
This is a replacement sprocket fitted to ATC90 and ATC110 models. This hard to find sprocket will replace your worn original perfectly. However you will need to remove the side case and flywheel to gain access. See the tools section for a flywheel puller to suit this application. Suits ATC90 70-78, ..
us$59.00
Chain Tensioner ATC70 | ATC90 | ATC110
Out Of Stock
Brand: Wide Open
Chain tensioners are an item that is frequently damaged or worn out on the ATC70-90These units when available from Honda sold for over $100 Suits ATC70 73-74, ATC90 70-78, ATC110 79-82..
us$66.00
Rear Axle Bearing Kit ATC90 70-78
2-3 Days
Brand: Wide Open
You should pay particular attention to servicing the wheel bearings on ATC models. If left unchecked the bearings can become siezed and either cause wear to your expensive axle or become impossible to remove, or both!!. This set suits ATC90 from 70-78..
us$59.90
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