Posts Tagged ‘ATC110’

1985-1987 ATC250ES Big Red Front Axle/Hub Assembly

Wednesday, August 14th, 2013

As a whole unit the front axle and hub assembly will swap between all of the 1985-1987 ATC250ES Big Red 3 wheelers including the brakes. Research based on part number cross references. The only 2 parts that don’t match exactly is the main hub assembly and the brake drums 1985 had a different part number, however, all parts should still interchange fine for 1985-1987 ATC250ES Big Reds.

 

Individual Parts Interchange 

Front Axle Bolt (Part Numbers: 44301-HA0-680, 44301-HA0-000)

  • 1985-1987 250ES Big Red

Spacer – Right Side (Part Number: 44312-HA0-000)

  • 1985-1987 250ES Big Red
  • 1985-1987 250SX

Front Hub (Part Number: 44601-HA0-000)

  • 1985 250ES Big red

Front Hub (Part Number: 44601-HA0-680)

  • 1986-1987 250ES Big Red

Front Hub Bearing (Part Number: 91052-KR3-005)

  • 1986-1987 ATC250ES
  • 1986-1987 ATC250SX
  • 1986 ATC350X
  • 1987 ATC200X
  • 1985-1986 CMX250C (Front and Rear wheels)
  • 1987 CMX450C
  • 1989-1990 GB500

Front Bearing Seal Size 23x42x7 (Part Numbers: 91251-958-003, 91251-958-004)

  • 1982-1985 ATC110
  • 1984-1987 ATC125M
  • 1980 ATC185
  • 1981-1983 ATC185S
  • 1981-1983 ATC200
  • 1984-1986 ATC200S
  • 1982-1983 ATC200E Big Red
  • 1984 ATC200ES Big Red
  • 1983-1987 ATC200X
  • 1984-1985 ATC200M
  • 1981-1986 ATC250R
  • 1985-1987 ATC250ES Big Red
  • 1985-1987 ATC250SX
  • 1985-1986 ATC350X
  • 1986-1987 TR200 Fat Cat

Front Drum (Part Number: 44625-HA0-000)

  • 1985 ATC250ES Big Red
  • 1985 ATC250SX

Front Drum (Part Number: 44625-HA0-680)

  • 1986-1987 ATC250ES Big Red
  • 1986-1987 ATC250SX

Front Brake Panel (Part Number: 45100-HA0-000)

  • 1985-1987 ATC250ES Big Red

Front Brake Cam (Part Number: 45141-HA0-000)

  • 1985-1987 ATC250ES Big Red
  • 1985-1987 ATC250SX

Front Brake Arm (Part Number: 45410-HA0-680)

  • 1985-1987 ATC250ES Big Red

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1981 – 1985 ATC110 Stator and Flywheel

Saturday, June 22nd, 2013

It appears that 1981 though 1985 ATC110s will interchange the stator, and flywheel by cross referencing the part numbers.

 

Part numbers:

Left Crankshaft Half:

  • 81 : 13321-943-310
  • 82 : 13321-943-320
  • 83 : 13321-943-320
  • 84 : 13321-943-320
  • 85 : 13321-943-320

Crankshaft Bearings:

  • 81 : 91001-071-008 and 91001-071-003
  • 82 : 91001-071-008 and 91001-071-003
  • 83 : 91001-071-008 and 91001-071-003
  • 84 : 91001-071-008 and 91001-071-003
  • 85 : 91001-071-008 and 91001-071-003

Timing Chain Gear (15T):

  • 81 : 14311-071-000
  • 82 : 14311-071-000
  • 83 : 14311-071-000
  • 84 : 14311-071-000
  • 85 : 14311-071-000

 Stator:

  • 81 : 31120-943-004
  • 82 : 31120-943-014
  • 83 : 31120-943-014
  • 84 : 31120-943-014
  • 85 : 31120-943-681

 Flywheel:

  • 81 : 31110-943-004
  • 82 : 31110-943-004
  • 83 : 31110-943-004
  • 84 : 31110-943-004
  • 85 : 31110-943-004

Left Case:

  • 81 : 11341-943-010
  • 82 : 11341-943-010
  • 83 : 11341-943-020
  • 84 : 11341-943-800
  • 85 : 11341-943-800

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70-73 US90, 74-78 ATC90 and 79-80 ATC110 Stator Interchange

Thursday, June 20th, 2013

I installed a stator  from a 1970-1971 US90 into a 1979 ATC110. Wattage output might vary slightly from the 90cc to 110cc model. Everything else appears to be a direct swap including the electrical connections with no mods needed.

Part numbers:

  • 79-80 ATC110 stator – 31102-943-004
  • 70-73 US90 and 74-78 ATC90 stator – 31102-918-004

Test install photos of the 1970-71 US90 stator in a 1979 ATC110.

 DSCN1090 DSCN1089 DSCN1091

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