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ATC250SX

ATC250SX

This section allows you to search for all parts relevant to Honda ATC250SX models.

ATC250SX, Introduced 1985, ends 1987, Features:

  • Model Code for 85-87 models "HA6".
  • 6 speed manual clutch transmission.
  • low pressure tyres. 22x11x8.
  • Tyre pressure front .17kg/cm2 (2.4 PSI )1745 mm dia.
  • Tyre pressure rear .17kg/cm2 (2.4 PSI )1745 mm dia.
  • Front fork oil capacity 180cc(ea).
  • Length1785mm, Width1060mm, Height 1028mm Weight 162kg(85) 165kg(86).
  • Engine bore 74mm, Stroke 57.3mm. CR9:1 Displacement 246cc.
  • Carb Keihin (85)??, (86) ??, main jet (85)#130 (86-)#??.
  • Engine number below magneto cover in front of gear shift shaft.
  • Frame number located on steering head stock left side.
  • Engine Oil capacity ??ltr (change) ??ltr (bone dry).
  • Fuel tank capacity 9.8ltr.(8.0ltr main 1.8ltr Reserve).
  • CDI Ignition.
  • Plug gap 24-28 thou (0.6-0.7mm).
  • Plug NGK DR8ESL.





ATC250SX owners will know that some things just don't last, and the fuel tank is no exception. However with the introduction of this replacement plastic fuel tank you can extend the lifespan of your ATC and keep riding trouble free. This quality item will replace your existing dented or rusted tank ..
us$308.00
Large bore fuel hose, 7.5mm ID, used on all larger ATC applications. ie all models with full suspension. Correct fuel hose, same as originally fitted to your bike, dont take chances with cheap inferior fuel hose. Suits ATC200X, ATC250R, ATC250ES, ATC250SX, ATC350X. Sold in 300mm lengths...
us$4.50
This quality kit contains all the parts required to rebuild your 86-87 ATC250ES | ATC250SX  Carb. Includes "O"Rings, Idle screw, main jet, slow jet, needle & seat, circlip and tension springs. Suits 86-87 ATC250ES, ATC250SX 86-87Suits carb models QA01A, QA07A..
us$31.35
Replace that worn or binding cable now before it gets you into trouble. Running a worn cable is dangerous and should be rectified before operating your ATC. This Cable suits ATC250ES 85, ATC250SX 85-87,  ATC350X 85-87, TRX250 '85..
us$36.00
Steering Stem Bearing ATC200X | ATC250R | ATC250ES/SX | ATC350X
Out Of Stock
Brand: ATC Heaven
You might want to consider replacing your steering head bearings when rebuilding your frame. The factory bearings call for servicing every year and of course none of us would neglect this. These tapered bearings will replace your old worn bearings perfectly. Suits ATC200X 83-87, ATC250R 81-82, ATC25..
us$59.00
Brand: ATC Heaven
Get this new choke cable for your 250ES/SX and never have to worry again about being stranded with a broken cable. Suits ATC250ES 86-87, ATC250SX 85-87, TRX250 86-87..
us$29.90
Brand: ATC Heaven
Valve stem seals should be replaced whenever servicing the cylinder head. Great for when your gasket set does not include these seals or when they have been damaged or misplaced. Sold per each. Suits ATC125M, ATC185/S, ATC200/E/ES, ATC200M/S, ATC250ES/SX, ATC350X. Also suits most TRX models, TRX200 ..
us$3.50
Brand: ATC Heaven
No need to buy a full set when you are only doing a top end overhaul. Set has all the gaskets required for a top end rebuild. Suits ATC250ES 85-87. ATC250SX 85-87, TRX250 85-87.Note: Brand supplied may differ from image shown...
us$36.00
Brand: ATC Heaven
You change your oil filter in your car at regular intervals so why not do the same with your ATC. Your engine works hard so it makes sense to maintain it to keep it in top operating condition. Suits ATC250ES, ATC250SX, ATC350X 85-87Also suits TRX200 97, TRX200D 90-97, TRX250 85-87, TRX250X 85-92, TR..
us$6.50
Brand: ATC Heaven
Complete gasket set contains all gaskets required to fully overhaul your engine, includes valve stem seals. Suits ATC250ES 85..
us$55.00
Gear Lever ATC185/S | ATC200/E | ATC200ES | ATC200M/S | ATC250ES/SX
Out Of Stock
Brand: ATC Heaven
Reproduction gear lever to suit larger ATC modelsGet this item and get shifting againSuits ATC185/S, ATC200, ATC200E, ATC200ES, ATC200M, ATC200S, ATC250ES and ATC250SX...
us$38.00
Brand: ATC Heaven
Clutch plate replacement is an often overlooked service on ATCs.Consider that and ATC has at least twice as much strain on the drive train due to additional traction and you will realise that the clutch plates are subject to accelerated wear. Consider replacing your plates with these quality Japanes..
us$42.00
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