TwinPower 9-Tooth Starter Pinion Gear, 1990-1993 Big Twin, Part Number 489621

Twin Power™ starter pinion gears match 66T or 102T ring gears for 1990-2006 Big Twin starters.

• Hardened steel teeth withstand high starter loads without premature wear
• 9-tooth gears pair with 66-tooth ring gears; 10-tooth with 102-tooth
• Essential for starter rebuilds addressing stripped gear failures

The TwinPower 9-tooth starter pinion gear is designed for use with 66-tooth ring gears on 1990-2006 Big Twin starters. Its hardened steel teeth are built to withstand high starter loads and help resist premature wear, making it suitable for starter rebuilds addressing stripped gear failures.

This starter pinion gear fits select 1990 Harley-Davidson models, including the FLHS Electra Glide Sport, FLHTC Electra Glide Classic, FLHTCU Electra Glide Ultra Classic, FLST Heritage Softail, FLSTC Heritage Softail Classic, FLSTF Fat Boy, FXLR Low Rider Custom, FXRS-Conv Low Rider Sport Convertible, FXRT Sport Glide, and FXST Softail Standard. Verify the motorcycle application and confirm that the starter uses a 66-tooth ring gear before installation.

Manufacturer part number: 489621. Vendor part number: 489621. Brand: TwinPower. This product is supplied as one starter pinion gear.

Features:

• Tooth configuration: 9-tooth starter pinion gear for use with 66-tooth ring gears
• Application: Designed for 1990-2006 Big Twin starters
• Construction: Hardened steel teeth help withstand high starter loads
• Service use: Suitable for starter rebuilds addressing stripped gear failures
• Fitment: Fits select 1990 Harley-Davidson FLHS, FLHTC, FLHTCU, FLST, FLSTC, FLSTF, FXLR, FXRS-Conv, FXRT, and FXST models

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1
Fitment:
1990 Harley Davidson FLHS Electra Glide Sport Base
1990 Harley Davidson FLHT Electra Glide Standard Base
1990 Harley Davidson FLHTC Electra Glide Classic Base
1990 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
1990 Harley Davidson FLST Heritage Softail Base
1990 Harley Davidson FLSTC Heritage Softail Classic Base
1990 Harley Davidson FLSTF Fat Boy Base
1990 Harley Davidson FXLR Low Rider Custom Base
1990 Harley Davidson FXR Super Glide II Base
1990 Harley Davidson FXRS Low Glide Base
1990 Harley Davidson FXRS-Conv Low Rider Sport Convertible Base
1990 Harley Davidson FXRS-SP Low Rider Sport Base
1990 Harley Davidson FXRT Sport Glide Base
1990 Harley Davidson FXST Softail Standard Base
1990 Harley Davidson FXSTC Softail Custom Base
1990 Harley Davidson FXSTS Springer Softail Base
1991 Harley Davidson FLHS Electra Glide Sport Base
1991 Harley Davidson FLHT Electra Glide Standard Base
1991 Harley Davidson FLHTC Electra Glide Classic Base
1991 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
1991 Harley Davidson FLSTC Heritage Softail Classic Base
1991 Harley Davidson FLSTF Fat Boy Base
1991 Harley Davidson FXLR Low Rider Custom Base
1991 Harley Davidson FXR Super Glide II Base
1991 Harley Davidson FXRS Low Glide Base
1991 Harley Davidson FXRS-Conv Low Rider Sport Convertible Base
1991 Harley Davidson FXRS-SP Low Rider Sport Base
1991 Harley Davidson FXRT Sport Glide Base
1991 Harley Davidson FXST Softail Standard Base
1991 Harley Davidson FXSTC Softail Custom Base
1991 Harley Davidson FXSTS Springer Softail Base
1992 Harley Davidson FLHS Electra Glide Sport Base
1992 Harley Davidson FLHT Electra Glide Standard Base
1992 Harley Davidson FLHTC Electra Glide Classic Base
1992 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
1992 Harley Davidson FLSTC Heritage Softail Classic Base
1992 Harley Davidson FLSTF Fat Boy Base
1992 Harley Davidson FXLR Low Rider Custom Base
1992 Harley Davidson FXR Super Glide II Base
1992 Harley Davidson FXRS Low Glide Base
1992 Harley Davidson FXRS-Conv Low Rider Sport Convertible Base
1992 Harley Davidson FXRS-SP Low Rider Sport Base
1992 Harley Davidson FXRT Sport Glide Base
1992 Harley Davidson FXST Softail Standard Base
1992 Harley Davidson FXSTC Softail Custom Base
1992 Harley Davidson FXSTS Springer Softail Base
1993 Harley Davidson FLHS Electra Glide Sport Base
1993 Harley Davidson FLHT Electra Glide Standard Base
1993 Harley Davidson FLHTC Electra Glide Classic Base
1993 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
1993 Harley Davidson FLSTC Heritage Softail Classic Base
1993 Harley Davidson FLSTF Fat Boy Base
1993 Harley Davidson FLSTN Heritage Softail Nostalgia Base
1993 Harley Davidson FXDL Dyna Low Rider Base
1993 Harley Davidson FXDWG Dyna Wide Glide Base
1993 Harley Davidson FXLR Low Rider Custom Base
1993 Harley Davidson FXR Super Glide II Base
1993 Harley Davidson FXRS-Conv Low Rider Sport Convertible Base
1993 Harley Davidson FXRS-SP Low Rider Sport Base
1993 Harley Davidson FXST Softail Standard Base
1993 Harley Davidson FXSTC Softail Custom Base
1993 Harley Davidson FXSTS Springer Softail Base