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Solifer-Suzuki R (RB50)

I have tried to put some Solifer-Suzuki R info on this page. If you have any information on any years or models (brochures and magazine ads would be great), please send the stuff to: me. Please scan the pictures in JPEG format.

This page is about the Suzuki RB50 in the Finnish costume, introduced in 1987. It is not entirely similar with the Japanese RB50 GAG . Because of the harder regulations in Finland the bike was supplied with a lighter and less powerful 2-stroke engine and the flasher and some other unneccessary equipment were stripped from the bike to make it weigh less than 60 kg (132 lbs), the Finnish maximum weight for a moped. It was sold in Finland under the model name Solifer-Suzuki R.

some pictures of a Solifer-Suzuki R under renovation.

Suzuki 1987More Suzuki models from 1987
1987 Suzuki year code: H

Suzuki RB50 RB-50 GSX-R50 GAG50 GAG-50Suzuki RB50 GAG 1987
Overall Length: 1 540 mm (60.6 in)
Overall Width: 610 mm (24.0 in)
Overall Height: 870 mm (34.3 in)
Wheelbase: 1 080 mm (42.5 in)
Dry Weight: 64 kg (141 lbs)
Engine type: Air-cooled 49 cc 1-cylinder, 4-stroke. 5,2 hp (3,9 kW)/ 7.000 rpm, 0,57 kg-m/ 6.000 rpm.

Click on the image for larger format.

Suzuki R Solifer SuzukiSolifer-Suzuki R 1987
Overall Length: 1 540 mm (60.6 in)
Overall Width: 610 mm (24.0 in)
Overall Height: 870 mm (34.3 in)
Wheelbase: 1 080 mm (42.5 in)
Dry Weight: < 60 kg (132 lbs)
Engine type: Air-cooled 49 cc 1-cylinder, 2-stroke. 1,5 hp (1,1 kW)/ 4.500 rpm, 2,75 Nm (0,28 kg-m)/ 3.500 rpm.

Click on the image for larger format.

No unnecessary stuff like blinkers, fresh oil lubrication, batteries or fairings was seen on the mopeds in Finland before new regulations in 1994. The maximum weight limit of 60 kg (132 lbs) didn’t allow you to mount anything unnecessary on the bike. The Finnish laws didn’t force the moped manufacturers to mount pedals like in Spain and the Netherlands but there was a speed limit of 40 km/h and maximum power output was restricted.

According to the Finnish regulations the Solifer-Suzuki R engine had only 1,5 hp (1,1 kW) horsepower while the Japanese RB50 GAG had 5,2 hp (3,9 kW). The flashers and some other ”unneccessary” equipment were stripped in order to make the 64 kg heavy (?) bike lighter than the allowed 60 kg. The basic 2-stroke engine had 4 speeds and no fresh oil lubrication, the users had to mix the oil and gasoline themselves.

Although the engine was weak, Solifer, the Finnish importer of the Suzuki motorcycles and manufacturer of Solifer mopeds, Bensow Oy, could still offer the racing replica mini-bike with hydraulic front disc brake and Full-Floater swing arm. The aluminum box-type frame was more than adequate for full use of the speed resources of the bike.

If the original RB50 GAG was far slower bike than it appeared to be because of its small engine, the Finnish version of it was even slower. The looks don't give the bike more speed, only a trim kit would. Fortunately trimming mopeds was a widely spread knowledge in Finland...

As far as I know, the RB50 GAG was dropped from the Suzuki program soon after the model was launched in Finland, and the last Solifer-Suzuki R's were sold in 1989.

Jarmo Haapamäki, August 2002

1987-1989 Solifer-Suzuki R specifications (Finland)
Engine type: Air-cooled single cylinder 2-stroke
Cylinder volume: 49 cc
Bore x stroke: 41,0 x 37,8 mm (1.61 x 1.49 in.)
Compression ratio: 7,3 :1
Power output: 1,5 hp (1,1 kW)/ 4.500 rpm
Torque: 2,75 Nm (0,275 kpm)/3.500 rpm
Oil/fuel mixture: 3 % oil (3/97)
Overall length: 1 540 mm (60.6 in.)
Overall width: 610 mm (24.0 in.)
Overall height: 870 mm (34.3 in.)
Wheelbase: 1 080 mm (42.5 in.)
Seat height: 610 mm (24.0 in.)
Ground clearance: 115 mm (4.5 in.)
Dry weight: under 60 kg (132 lbs)
Fuel tank capacity: 7,0 liter
Carburetor: Mikuni VM12SH
Main jet: 57,7
Starting System: Kick Starter
Ignition type: Pointless CDI
Spark plug type: NGK BP-6ES
Voltage: 6 V
Secondary drive: Chain
Transmission: 4-speed
Front suspension: Hydraulic tube fork
Rear suspension: Suzuki "Full Floater," aluminum box-type swingarm
Front tire size: 3.50-10 2PR
Rear tire size: 3.50-10 2PR
Front brake: Single disc
Rear brake: Drum

More: Pictures of Pertti's Solifer-Suzuki R

More: Pictures of Andreas' Solifer-Suzuki R (RB50)

More: RB50 GAG brochures & adverts

More: The Japanese version of the R

More: Suzuki RB50 GAG

More: All Suzuki models

Sources: J.K.Web, joetail.cjb.net

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