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12V Starter Motor For 2018-2020 Harley-Davidson Flfb Fat Boy

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30958A1
HARLEY-DAVIDSON OEM PART NUMBERS:
• Harley-Davidson: 31400057
• Harley-Davidson: 31400-57

SPECIFICATIONS:
• Type: Starter Motor, Planetary Gear Reduction (PLGR)
• Voltage: 12 Volts
• Rotation: CW (Clockwise)
• Drive Teeth: 10
• Gear Outside Diameter: 1.106 in / 28.100mm
• Overall Length: 6.535 in / 166mm
• Registry Outside Diameter: 2.382 in / 60.500mm
• Mounting Ear Centre to Centre: 3.949 in / 100.300mm
• Mounting Holes: Stepped 11.400mm to 9.600mm, Unthreaded
• B+ Terminal: M8-1.25 Stud
• Motor Terminal: M8-1.25 Stud
• S Terminal: Spade
• Wet Clutch Seal: Yes
• Engine: Milwaukee-Eight 107 cu in 1745cc and 114 cu in 1868cc V-Twin
• Condition: New

APPLICATIONS:
• Harley-Davidson FLDE Softail Deluxe 107 cu in (2018-2020)
• Harley-Davidson FLFB Fat Boy 107 / FLFBS Fat Boy 114 (2018-2020)
• Harley-Davidson FLHC Heritage Classic 107 cu in (2018-2021)
• Harley-Davidson FLHCS Heritage Classic 114 cu in (2018-2020)
• Harley-Davidson FLSB Sport Glide 107 cu in (2018-2021)
• Harley-Davidson FLSL Softail Slim 107 cu in (2018-2021)
• Harley-Davidson FXBB Street Bob 107 cu in (2018-2020)
• Harley-Davidson FXBR Breakout 107 / FXBRS Breakout 114 (2018-2021)
• Harley-Davidson FXFB Fat Bob 107 / FXFBS Fat Bob 114 (2018-2020)
• Harley-Davidson FXLR Low Rider 107 cu in (2018-2020)
• Harley-Davidson FXLRS Low Rider S 114 cu in (2020-2021)
• Harley-Davidson FXDRS FXDR 114 cu in (2019-2020)
• Harley-Davidson FXST Softail Standard 107 cu in (2020-2022)

DOES NOT FIT:
• Harley-Davidson Milwaukee-Eight Touring, Trike and CVO models
• Harley-Davidson Twin Cam 88 / 96 / 103 / 110 Softail and Dyna through 2017

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

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Description

HARLEY-DAVIDSON 12 VOLT 10-TOOTH PLGR STARTER MOTOR — MILWAUKEE-EIGHT SOFTAIL APPLICATIONS (2018-2022):

HARLEY-DAVIDSON SOFTAIL FL MODELS — MILWAUKEE-EIGHT V-TWIN:
• Harley-Davidson FLDE Softail Deluxe 107 cu in 1745cc M8 V-Twin (2018-2020)
• Harley-Davidson FLFB Softail Fat Boy 107 cu in 1745cc M8 V-Twin (2018-2020)
• Harley-Davidson FLFBS Fat Boy 114 cu in 1868cc M8 V-Twin (2018-2020)
• Harley-Davidson FLFBS Fat Boy Special Anniversary 114 cu in (2018-2019)
• Harley-Davidson FLHC Heritage Classic 107 cu in 1745cc M8 V-Twin (2018-2021)
• Harley-Davidson FLHCS Heritage Classic 114 cu in 1868cc M8 V-Twin (2018-2020)
• Harley-Davidson FLHCS Heritage Classic Special Anniversary 114 cu in (2018-2019)
• Harley-Davidson FLSB Sport Glide 107 cu in 1745cc M8 V-Twin (2018-2021)
• Harley-Davidson FLSL Softail Slim 107 cu in 1745cc M8 V-Twin (2018-2021)

HARLEY-DAVIDSON SOFTAIL FX MODELS — MILWAUKEE-EIGHT V-TWIN:
• Harley-Davidson FXBB Street Bob 107 cu in 1745cc M8 V-Twin (2018-2020)
• Harley-Davidson FXBR Breakout 107 cu in 1745cc M8 V-Twin (2018-2019)
• Harley-Davidson FXBRS Breakout 114 cu in 1868cc M8 V-Twin (2018-2021)
• Harley-Davidson FXBRS Breakout Anniversary 114 cu in 1868cc (2018-2019)
• Harley-Davidson FXFB Fat Bob 107 cu in 1745cc M8 V-Twin (2018-2020)
• Harley-Davidson FXFBS Fat Bob 114 cu in 1868cc M8 V-Twin (2018-2020)
• Harley-Davidson FXFBS Fat Bob Special 114 cu in 1868cc (2018-2019)
• Harley-Davidson FXLR Low Rider 107 cu in 1745cc M8 V-Twin (2018-2020)
• Harley-Davidson FXLRS Low Rider S 114 cu in 1868cc M8 V-Twin (2020-2021)
• Harley-Davidson FXDRS FXDR 114 cu in 1868cc M8 V-Twin (2019-2020)
• Harley-Davidson FXST Softail Standard 107 cu in 1745cc M8 V-Twin (2020-2022)

ENGINE AND STARTING SYSTEM DATA:
• Engine: Milwaukee-Eight 107 cu in / 1745cc 45-Degree 8-Valve V-Twin
• Engine: Milwaukee-Eight 114 cu in / 1868cc 45-Degree 8-Valve V-Twin
• Construction: Pushrod Actuated, Air and Oil Cooled, Single Camshaft
• Starting System: 12 Volt Negative Ground, Softail Chassis (2018-2022)

FITMENT NOTES:
• 12 VOLT planetary gear reduction with wet clutch seal
• Clockwise rotation with 10-tooth pinion, 28.1mm gear outside diameter
• Registry outside diameter 60.5mm, overall length 166mm
• MOUNTING HOLES ARE STEPPED — 11.4mm stepping down to 9.6mm, unthreaded, on 100.3mm centres
• Terminals: M8-1.25 B+ stud, M8-1.25 motor stud, spade S terminal
• SOFTAIL CHASSIS ONLY — this is not the Milwaukee-Eight Touring, Trike or CVO starter
• Does not fit Twin Cam 88 / 96 / 103 / 110 Softail or Dyna models built through 2017
• 2022 and later Breakout and Low Rider S / ST moved to the Milwaukee-Eight 117 cu in engine — confirm the part number on the machine before ordering for those models

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  • Item Requires Shipping
  • 8.5 lbs.
  • W7.0000” x H6.5000” x L10.5000”
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