M-Series

  • Briggs & Stratton | M-Series | Racing Engine

Primary Use: Quarter Midgets

Building off of the proven success of the Animal engine, the M-series is the first dedicated racing engine engineered to meet the needs of the Quarter Midget market.  Right out-of-the-box, the M-series is focused on the consistency, and simplicity that racers deserve.  Each engine is assembled by hand and tested in Milwaukee, Wisconsin with the craftsmanship and quality we stand behind.

Specifications

Documents

Engine Cad File

CAD DRAWING - DOWNLOAD NOW

RACE ONLY FEATURES

  • Reinforced, Cast Iron Sleeved, Dual Ball Bearing RACING cylinder
  • Single cast, custom aluminum alloy cylinder head with high-flow intake port, custom seat/guide material
  • Squeeze cast, T-7 het treated aluminum rod with reinforced I-beam
  • Carbon steel crankshaft with Induction hardened micro-polished crankpin reinforced timing gear and hardened splined output shaft for 6-1 gearbox (555721)
  • Custom top control plate firewall clearance
  • Cam ground, barrel faced, eutectic alloy piston with 3 piece ring set with chrome faced top ring
SHOW MORE FEATURES

Fastener Torque Specs

Racing Videos

Performance & Durability

Technology from OHV racing engineered to the specific needs of quarter midget racing.

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Briggs & Stratton Racing

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