Universal Parts Lower Starter Motor | 49cc – 125cc 4-Stroke

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Universal Parts Lower Starter Motor | 49cc - 125cc 4-Stroke

Universal Parts Lower Starter Motor | 49cc – 125cc 4-Stroke

Original price was: $36.80.Current price is: $28.69.

29 in stock

SKU: 260-28 Category:

Description

Restore reliable starting performance to your vehicle with this Universal Parts Lower Starter Motor. Designed as a direct replacement for horizontal 4-stroke engines found on youth dirt bikes, pit bikes, and ATVs, this unit drops in with factory bolt-hole spacing and delivers consistent cranking torque from the first turn of the key.

Key Features

  • Direct Replacement Layout: Form-fitted for lower-mount configurations where the starter mounts underneath the engine block/carburetor.
  • 12-Tooth Drive Sprocket: Precision-machined gear ensures clean, positive engagement with your engine’s starter chain or flywheel setup.
  • Robust Internal Windings: High-grade copper coils and heavy-duty brushes deliver consistent cranking torque and dependable cold starts.
  • Simple Bolt-On Installation: Built to factory sizing tolerances for a straightforward swap without modification to engine cases.

Vehicle & Engine Compatibility

Fits a wide variety of Chinese-manufactured off-road vehicles utilizing horizontal 4-stroke powertrains (lower-mount configuration only):

Engine Displacement Common Applications
49cc / 50cc, 70cc / 90cc, 110cc / 125cc Select pit bikes, youth dirt bikes, go-karts, and ATVs from TaoTao, Coolster, SSR, Apollo, Roketa, and Kazuma

Technical Specifications

  • Mounting Position: Lower (underneath carburetor/crankcase)
  • Bolt Hole Spacing: 68mm center-to-center
  • Drive Gear Teeth: 12
  • Internal Splines: 22
  • Operating Voltage: 12V DC
  • MPN: 877

Mechanic’s Installation Tip: Before removing your old starter, disconnect the negative (-) battery terminal to eliminate short-circuit risk. Inspect your starter chain and tensioner for excessive slack or wear. Ensure the engine ground wire connection is clean and tightly secured — a loose or corroded ground is the leading cause of intermittent starting issues and low cranking power.

CRITICAL FITMENT CHECK: Small 4-stroke engines use either an “Upper Mount” (above the cylinder) or a “Lower Mount” (underneath the crankcase) starter. This is a lower-mount unit. Physically verify your engine’s mounting position and confirm the 68mm bolt-hole spacing before ordering.

California Prop 65 Warning: www.p65warnings.ca.gov

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