Engine developed for competitions, bi-place PPG, and trikes.
BLACK BULL is studied and projected in order to satisfy all pilots need expecially in terms of light weight, power, and maximum reliability.
Thrust displayed 90 kg with propeller of 140 cm.
TECHNICAL FEATURES
Single cylinder air cooled
Two stroke
Bore 70 mm
Stroke 61 mm
Total displacement 235 cc
Compression ratio 10.5:1
Fuel delivery to the crankcase: six blade reed-valve system connected to the crankcase
Diaphragm carburetor Tryton
Reducer with Poly V belt available in 1:3.0
Continuous operating temperature 180°C, max. temperature 220°C measured under spark plug
Engine mounting: by 5 shock absorbing rubber mounts
Propeller rotation: counterclockwise
Maximum RPM 8000 RPM
Spark plug NGK BR8ES
Fuel mixture 2.5% with synthetic oil, suggested brands: Malossi 7.1 – Shell Racing M – Wladoil K 2T – Elf 2 T moto