BLACK DEVIL PRO - CLUTCH

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PRODUCT INFORMATION

Weight, NEW exhaust, airbox and four rubber mounts included kg. 14,90

TECHNICAL FEATURES

  • Single cylinder air cooled
  • Two stroke
  • Bore 65 mm
  • Stroke 52 mm
  • Total displacement 172.5 cc
  • Compression ratio 11:1
  • Fuel delivery to the crankcase: four blade reed-valve system connected to the crankcase
  • Diaphragm carburettor WB37
  • Reducer with Poly V belt available in 1:2,2, 1: 2,3, 1: 2.5, 1: 2,6, 1: 2.7, 1: 2.88
  • Continuous operating temperature 180° C, maximum temperature 240° C
  • Engine mounting: by 5 shock absorbing rubber mounts
  • Propeller rotation: counterclockwise
  • Maximum RPM 7900 RPM
  • Spark plug NGK B9ES – NGK B9ERS – DENSO W27ESR-U

STRUCTURAL FEATURES

  • Crankcases molten in G-Al Si 9 UNI 3051 alloy subsequently treated
  • Six port distribution system
  • Cylinder in light silicon alloy with Cermetal protective coating
  • Piston with ultra-light structure reinforced with side flaps for heat dispersion. Flaps in 2 segments, 1.2 mm S10 chrome-plated semitrapezoidal cast iron.
  • Head in die cast aluminium alloy with high percentage of silicon and concentric combustion chamber, calculated squish
  • Drive shaft in 18 Ni Cr Mo5 with 5 thermic treatments on every component
  • Connecting rod in copper plated steel 18Ni Cr Mo 5 joined to the drive shaft through very precise high speed silver-plated roller bearings
  • Roller bearings fit for high speed class C3
  • Seal ring in Witon with very high resistance and long duration

M25 WITH CLUTCH – TECHNICAL DRAWING

BLACK DEVIL PRO – USER MANUAL

31-cors-air
GALLERY

WINGS & FLIGHTS

ABOUT
Wings and Flights operates from Pune, looking after flying training, import and supply of flying equipment.
ADDRESS
Tupe Nagar, Opposite suzlon, Sadesatranali, Hadapsar, Pune
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