At the age of 12 Bruno Rossati began working eleven hour days.
"Now, approaching 91, I find myself reminiscing about my youth, still riding my motorcycle every day.
Letter re Ladetto
Minarelli V2 and C2
1977~80 Minarelli V2 variable speed
1981~85 Minarelli C2 variable-pulley automatic transmission.
Myron's Mopeds have information on the similarities between the V1, V2 and C2 engines.
Minarelli C2 Specification
Single cylinder 2-stroke engine, with forced cooling
Total capacity: 49.6 cc.
Bore: 38.8 mm. Stroke: 42 mm.
Compressión ratio: 8.5 : 1
Power: As per Road Traffic Code in force
Ignition: system: Alternator flywheel magneto 6V 18W external H.T. coil
Spark plug: BOSCH W B A
Carburettor: DELL'ORTO SHA: 14-12
Fuel: Petroil - 30/1 ratio with SAE 30 oil
Cylinder: Cast-iron.
Cylinder head: Light alloy, detachable.
Piston: Light-alloy, with 2 piston rings.
Crankshaft assembly: connecting rod has caged roller bearings.
Clutch: Automatic centrifugal expansion dry clutch.
Converter: automatic with V belt transmission
Final drive ratio: Min. 1:8. Max 1:5
Final drive sprocket: N° 13 teeth for 1/2" x 3/16" chain roller Ø 7.75
Starting: automatic by pedals. Ratio 1: 23.5
Distance for pedal stroke: 1.70 m
Lubrication: SAE 20 oil - capacity Kg. 0:400
Engine weight: 13.3 Kg. (with oil and levers)
Minarelli P48, E48, P3, P3 Sport, P3N, P3S
P48 F. B. Minarelli 1954~56
E48 1956~57
P3 1957~68
P3 Sport 1960-68
P3N 1967~70
P3S 1968-74
P3S 1975~86
Minarelli P4, P4S, P4SSP4, P4S, P4SS 1963-67 4-speed, foot-shift, manual clutch, kick start. The P4S has a larger carburettor and higher CR.
P4 50 RG Regolarita 1965~70 49.6cc (38.8 x 42)
P4 50 SP Special 1965~71 much as per 50RG
P4 60 CA Cadetti 1965-69, 59.2cc (41.4 x 44) piston port induction
P4S, P4S-al, P4S-70 1967-70
P4CS 1972~81
Minarelli P6, P6S, P6-4, SP6, P6-70, P6CS, P6R, P6CC
P6 Normal 1969~77
P6 Sport 1969~77
P6 Super Sport 1969~70
P6S (pedals) 1969~77
P6-4 (pedals) 1970~77
SP6 racing 1971~72
SP6, P6-70, P6-75 1972~75
P6CS (pedals) 1972~75
P6R Radiale 1974~80
P6CC Corsa Corta 1972~82
P6 R K.S. & P6 R PEDALI 50 cc. Specification
Minarelli «P6 R», 6 speed foot change gear-box, aluminium cylinder.
Type: Single cylinder 2-stroke engine
capacity:49.8 cc.
Bore:38.8 mm. Stroke:42 mm.
Compression ratio:10.5:1
Ignition system: Alternator flywheel magneto 6V-1BW external H.T. coil: optionally 6V-28W+ 33W
Fuel: Petroil - 30/1 ratio - SAE 30 oil
Cylinder head:«RADIAL» model in light alloy, detachable
Piston: Light alloy, with 2 piston rings
Clutch: 5 cork discs in oil
Primary transmission: helical gear - 4.615: 1 ratio
Final drive sprocket: Upon request with 11, 12, 13, 14 teeth: for 1/2" x 3/16" chain, roller @ 7.75
Starting: by KICK STARTER - 10.6: 1 ratio - optionally by PEDALS - 8.7; 1 ratio
Lubrication: SAE 40 oil - oil capacity Kg. 1
Power: 4.4 KW (6 HP) at 8000 r.p.m.
Spark plug: MARELLI CW 7L
Carburettor: DELL'ORTO SHB 19-19D; optionally with F20-6 filter
Cylinder: «RADIAL» «VL» model, in light alloy
Crankshaft assembly: connecting rod with caged roller bearings
Engine weight: 16 Kg. (with oil and levers, sans exhaust)
Minarelli V1, V1A, V1P, V1H, V1L, V1HL, V1-KV1, V1N 1969~77 fan cooled
V1 1977-80 fan cooled
V1A 1977~80 aluminum cylinder
V1P 1979-86 fan cooled
V1H 1982-87 aluminum cylinder
V1L 1987-89 fan cooled
V1HL 1988-90 aluminum crankcase
V1-KS 1973-80 kick start
Minarelli G1 and G1R 48.6cc
Minarelli G1, G1-KS 1972~85 single-speed, pedals
Minarelli G1R, G1R-KS 1979~85 single-speed, kick start
Minarelli Corsa Corta 50cc Engine
Minarelli Corsa Corta MCS 50cc Engine
Minarelli RV4 RV4A 50cc Engine
Further information on the engines listed above is available via Moped Resources.
4-speed or 6-speed?
"One way to tell at a glance if you have 4 speeds or 6 speeds is the location of the oil filler cap. If it's on the left side of the engine cases nearest the clutch actuator arm, you have a 4 speed. If it's on the right side of the engine cases, you have a 6 speed." ~ mopedarmy.com/forums
If you have a query or information about Minarelli please contact us.
