“Minsk” MMVZ-3.115 is a lightweight two-seater motorcycle from the Minsk motorcycle family manufactured by the Minsk Motorcycle and Bicycle Plant ( BSSR , Minsk , the current name is OJSC “Motovelo”). It was produced from 1976 to 1980 . The predecessor is the Minsk model MMVZ-3.111 , the successor is the Minsk MMVZ-3.112 model (this is not a mistake - after serial number 11 (in the model designation, according to the international motor vehicle marking system), model 15 saw the light, model 12 came out in 1980) . Marking means:
- MMVZ - manufacturer;
- 3 - motorcycle class (up to 125 cm 3 );
- 1 - type of motorcycle (road);
- 15 - serial number of model.
| Minsk MMVZ-3.115 | |||||||||||||||||||||||||||||||
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| general information | |||||||||||||||||||||||||||||||
| Manufacturer | Minsk Motorcycle and Bicycle Plant | ||||||||||||||||||||||||||||||
| Years of release | 1976-1980 | ||||||||||||||||||||||||||||||
| Previous Model | Minsk MMVZ-3.111 | ||||||||||||||||||||||||||||||
| Next model | Minsk MMVZ-3.112 | ||||||||||||||||||||||||||||||
| Type of | Road | ||||||||||||||||||||||||||||||
| Engine | |||||||||||||||||||||||||||||||
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| Components | |||||||||||||||||||||||||||||||
| Lubrication system | together with fuel | ||||||||||||||||||||||||||||||
| Clutch | cork in an oil bath | ||||||||||||||||||||||||||||||
| Gearbox | 4 speed | ||||||||||||||||||||||||||||||
| Drive unit | closed circuit PR-12, 7-1800-2 | ||||||||||||||||||||||||||||||
| Fuel supply | gravity | ||||||||||||||||||||||||||||||
| Front tire | 80-459 (3.00-18 ") | ||||||||||||||||||||||||||||||
| Rear tire | 80-459 (3.00-18 ") | ||||||||||||||||||||||||||||||
| Specifications | |||||||||||||||||||||||||||||||
| Tank capacity | 12 | ||||||||||||||||||||||||||||||
| Maximum load, kg | 150 | ||||||||||||||||||||||||||||||
| Maximum speed, km / h | 95 | ||||||||||||||||||||||||||||||
| Dimensions | |||||||||||||||||||||||||||||||
| Length mm | 2 100 | ||||||||||||||||||||||||||||||
| Width mm | 790 | ||||||||||||||||||||||||||||||
| Height mm | 1,200 | ||||||||||||||||||||||||||||||
| Motorcycle base, mm | 1 230—1 275 | ||||||||||||||||||||||||||||||
| Ground clearance mm | 125 | ||||||||||||||||||||||||||||||
Content
- 1 device
- 1.1 Engine
- 1.2 Transmission
- 1.3 Running gear
- 1.4 Electrical equipment
- 2 Specifications
- 3 References
Device
The MMVZ-3.115 motorcycle model is a further development of the previous Minsk MMVZ-3.111 model.
Engine
The engine is single-cylinder, air-cooled and has a two-channel return blow. Aluminum alloy cylinder head.
The engine on the MMVZ-3.115 model differs from its predecessor: engine power is increased due to better cylinder filling, increased compression ratio (up to 9.5), a new muffler, electronic ignition and K-62C carburetor are installed (carburetors were installed on motorcycles until 1978 K-36S), as a result of which a power of 11 liters was obtained. from. at 6,200 rpm The engine requires fuel from a mixture of oil and gasoline in a ratio of 1:25.
Transmission
The gearbox is four-speed. The gearshift mechanism is foot. Multi-plate clutch, in oil bath. The drive to the rear wheel is a chain, with the protection of the main gear with stamped covers and rubber chain covers.
Chassis
The frame is tubular, closed type. Front telescopic fork with hydraulic shock absorbers, rear pendulum suspension with hydraulic shock absorbers.
Electrical equipment
It differs from its predecessor by a modified headlight, modified by the installation of a central switch and a speedometer.
Until 1978, contact ignition was established with a 6-volt G-421 generator.
Specifications
| Dry weight kg | 112 |
| Air filter | paper |
| Motor gear | Chain PV-9.525-1200 |
| Ratio | 2.75 |
| The number of leading drives | four |
| Gear ratios | I - 3.18, II - 1.97, III - 1.39, IV - 1.00 |
| main gear | closed circuit PR-12,7-1800-2 |
| Ratio | 2.67 |
| wheel hub | cast |
| Saddle | double type pillow |
| Generator | G-427 |
| Ignition coil | B-300B |
| Ignition timing (mm to TDC) | 3-3.5 |
| Headlight lamp | 32 × 21 |
| Stop signal | FP-242 |
| Direction indicator | UP-208 |
| Speedometer | SP-131 |
| Signal | S-34 |
| Light switch | P-200 |