This starter motor unit with 10 splines or teeth is typically found in the Starter Motor section of several part manuals. Commonly used for but not limited to 2-valve, 4-valve 4 strokes, 50cc, 80cc, and 100cc engines. It is most popularly known for its use in:

Honda CH80 Elite(1993-2007),

Aprilia RS 50 (2006-2010),

Aprilia Scarabeo

Scarabeo 50 4T (2002-2008) / Scarabeo 50 4T Net (2010-2013) / SR Motard 2T 50 (2018) / SR Motard 50 4T (2013-2019),

Aprilia Sport City

Sport City 50 (Jan|2008-Dec|2008) / Sport City 50 4T (2008-2013),

Aprilia SR50

SR50 (2004-2019) / SR50 IE (2003-2013) / SR 50 R / Factory (2004-2013) / SR 50 H2O (2003-2012),

Derbi Atlantis 50cc 4T (2002-2013) / Atlantis 50 2T (2010) / GPR 50 (2004-2008)/ Senda 50 (2005-2011) / Boulevard 50cc (2009-2014),

Malaguti Centro 50 / CIAK 50,

Peugeot SV50,

Piaggo Fly 50 (2004-2018) / Liberty 50 (2000-2015) / NRG 50 (2005-2012) / Vespa ET4 50 (2000-2005) / Vespa LX 50 (2005-2013) / Zip 50 (2000-2017) / Typhoon 50 (2012-2017) / Vespa 50 4T (1998-2015) / Vespa S 50 4V College (2008-2014) / Vespa LXV 50 (2012-2013) / Primavera 50 (2013-2017) / Vespa Sprint 50 (2014-2017) / Sfera RST 80 (1994-1995) / Diesis 100 (1998-2005) / X9 500 (2004 – 2007nr) / NRG Power Purejet 50 (2004-2011) / NRG Purejet 50 (2002-2010) / NTT 50 (1995-1996) / SKR City 80 (1999),

Gilera Runner 50 Purejet (1998-2012),

BMW K Lt/M (K76) 1200 (1998 – 2010),

Italjet Jet Set 4t 50 (2001- 2003) / Torpedo 4t 50 (2001-2003),

as well as many other brands of ATVs, UTVs, motorcycles, dirt bikes, scooters, go karts (buggies), and engines with alternative profile names.

Approximate Dimensions and Specifications:

• Manufacturer Design Type: PMDD
• Voltage: 12V
• Rotation: Counter Clockwise (CCW)
• Number of Teeth: 10
• Gear Outside Diameter: 7mm (0.28”)
• Mounting Ear Hole 1: 6mm Unthreaded
• Mounting Ear Hole 2: 6mm Unthreaded
• Weight: 1.02lbs / 0.46kg

Honda Part Code: SMU0374

Reference Numbers: 00G03905891, 286808, 969337, ODN00G03905891

Interchangeable Part Numbers / Cross References:

• Honda Part Numbers: 31200-GE1-712, 31210-GE1-712 “MOTOR UNIT, STARTER” or “STARTER MOTOR UNIT”
• Lester Part Number: 18853 Starter Motor Unit
• Piaggo Part Number: 96921R Starter Motor Unit
• Aprilia Part Numbers: AP8570105, 96921R Starter Motor Unit
• Malaguti Part Number: 77400500 Starter Motor Unit
• Peugeot Part Number: 586390 Starter Motor Unit
• Mitsuba Part Number: SM10-221 Starter Motor Unit
• Arrowhead Part Numbers: SMU0374, 410-54103 Starter Motor Unit
• BBB Small Motor Part Number: 22-18853 Starter Motor Unit
• EMS Part Numbers: HS-50, HS-50N Starter Motor Unit
• J & N Part Number: 410-54103 Starter Motor Unit
• MPA Small Motor Part Number: P556N Starter Motor Unit
• NAPA Small Motor Part Number: RN18853 Starter Motor Unit
• PIC Part Number: 191-264 Starter Motor Unit
• Remy Small Motor Part Number: RS41253 Starter Motor Unit
• Stockers Starters Part Number: HS-50 Starter Motor Unit
• Tucker Rocky Part Number: 46-4012 Starter Motor Unit
• Wilson Small Engine Part Number: 71-26-18853 Starter Motor Unit
• Societa Generale Ricambi Part Number: 17.8177, 17.81778 Starter Motor Unit