Suzuki
RB50 GAG (GSX-R50)
| I
have put some Suzuki RB50 GAG info on this page. Please send me
more stuff to put here. I want tips, photos, magazine articles,
brochures and adverts from all over the world! |
 
Suzuki model year code: G
|
RB50 GAG is an interesting small bike. It's one of those mini
bikes the Japanese motorcycle manufacturers introduced for about
three decades ago. But unlike RV50 Van Van or the PV50, RB50
wasn't a naked bike. No, it took the design from the racing
track and its own GSX-R or RG/RGV Gamma models.
The RB50 GAG (A-LA41A) was introduced in 1986 and there were
four different graphics available: bomber styled white, rabbit
”Little Racing” pink, GSX-R replica blue/white (also
called GSX-R50, the minigixxer) and red/white (see pictures
below). All four shared the same machinery.
The frame of the RB50 GAG was advanced. Like a ”real”
racer, the mini-replica had also a welded aluminum box frame,
hydraulic disc brake (at the front) and Full-Floater aluminum
box-type swingarm.
The four-stroke engine came from the Birdie scooterette, and
its power output didn't match the looks of the bike. It looked
like it would be very fast but it wasn't. The air-cooled engine
delivered 5,2 hp at 7.000 rpm and the dry mass of the bike was
64 kg (141 lbs). According to the service book, the European
version was 1 kg (2.2 lbs) lighter. The variation can be caused
by a different way of rounding the figure up or down, I don't
know the reason. Anyway, according to Andrew, the webmaster
of the Babygixxer
homepage the model was sold under the name GSX-R50 in the United
Kingdom.
Though the competition could beat it in most performance aspects,
the RB50 is easy to ride and maintain. At the time, there were
trim kits available for the engine but the Suzuki Motor Company
discontinued the bike after only a couple of years of production
and the go-fast parts produced in the 1980's are long gone.
Current owners have to get by with custom-made parts or adapting
parts from other bikes. It is not uncommon to see owners swapping-in
parts from the competitors, NSRs and YSRs.
Suzuki had launched a model called RB even in the late 1950's
but had not been used in decades. I wonder if the American radar/weather/photographic
reconnaissance aircraft, Boeing RB50, had inspired the Suzuki
engineers to give the bike its model name. Anyway, the bomber
styled graphics of the bike must have had something to do with
the fact that the RB50 reconnaissance planes were modified Boeing
B50 bomber planes.
Some sources claim that the production of the RB50 ended after
1987. Still, the model was sold in Finland from 1987 to 1989
under the model Solifer-Suzuki R (the spare parts catalogs knew
model name Solifer-Suzuki RB50). The specs of the Finnish version
of GAG are not the same. The Soilfer-Suzuki had a lighter 2-stroke
engine and the bike was stripped from some details to make it
weigh less. Nevertheless the design of the bike was the same
(the GSX-R replica version). Here's
more info about the model.
Jarmo Haapamäki, August 2002
|
 1986 Suzuki RB 50 GAG
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 @ 7 000 rpm, 0,57 kg-m @ 6 000 rpm
Click on the image for larger format.
|
 1986 Suzuki RB 50 GAG
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 @ 7 000 rpm, 0,57 kg-m @ 6 000 rpm
Click on the image for larger format.
|
 1986 Suzuki RB 50 GAG
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 @ 7 000 rpm, 0,57 kg-m @ 6 000 rpm
Click on the image for larger format.
|
 1986 Suzuki RB 50 GAG
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 @ 7 000 rpm, 0,57 kg-m @ 6 000 rpm
Click on the image for larger format.
|
|
1986-1987 RB50 GAG (A-LA41A) specifications
(Japan)
|
| Engine Type: |
Air-cooled single cylinder SOHC
4-stroke |
| Cylinder Volume: |
49 cc |
| Bore x Stroke: |
39.0 x 41.8 mm (1.535 x 1.646 in.) |
| Compression Ratio: |
10,3 :1 |
| Power output: |
5.2 hp @ 7 000 rpm |
| Torque: |
0.57 kg-m @ 6 000
rpm |
| Engine oil capacity: |
800 ml (0.85/0.70 US/Imp
qt) |
| 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: |
64 kg (141 lbs) |
| Fuel tank capacity: |
7.0 liter incl. reserve |
| Reserve: |
0.8 liter |
| Carburetor: |
Mikuni VM13 |
| Air cleaner: |
Polyurethane
foam element |
| Lubrication system: |
Wet sump |
| Starting System: |
Kick start |
| Generator type: |
A.C. generator |
| Headlight: |
6V 25W/25W |
| Tail/Brake light: |
6V 3W/10W |
| Ignition type: |
Suzuki PEI (Pointless Electric Ignition) |
| Ignition timing: |
27deg. +/- 2deg.
B.T.D.C. at 6,000 rpm |
| Spark plug: |
NGK C6HA or Nippon Denso
U20FS-L |
| Clutch type: |
Wet, multi-plate |
| Transmission type: |
4-speed constant
mesh |
| Gearshift pattern: |
1-down, 3-up |
| Drive chain: |
Takasago RK420
or Daido D.I.D.420, 100 links |
| Primary reduction: |
3.842 (73/19) |
| Final reduction: |
2.642 (37/14) |
| Gear ratios: |
3.400/1.933/1.315/1.095 |
| Front suspension: |
Telescopic, coil spring, oil-damped |
| Rear suspension: |
Full-Floater aluminum
box-type swingarm, oil-damped |
| Front fork oil capacity: |
94ml
(3.18/3.31 US/Imp oz) |
| Caster: |
26° |
| Trail: |
80 mm (3.15 in.) |
| Front tire size: |
3.50-10 2PR |
| Rear tire size: |
3.50-10 2PR |
| Front brake: |
Single disc, hydraulically operated |
| Rear brake: |
Internal
expanding |
| Fuel consumption: |
121.0 km/liter (30 kph) |
| Braking distance : |
3.0
m (Initial speed 20 kph) |
| Turning radius: |
2.5 meter (8.0 ft.) |
| Steering angle from
left to right: |
30° |
| Seating capacity: |
1 person |
| Retail price 1986 in Japan: |
183.000 Yen |
Different
GSX-R50/RB50 (European) service manual specifications GAG:
|
1986-1987 RB50 specifications (Europe)
|
| Dry Mass: |
63 kg (139 lbs) |
| Carburetor: |
Mikuni VM13SH, single |
| Fuel tank including
reserve: |
7.0
liter (1.8/1.5 US/Imp gal) |
| Fuel tank reserve |
1.6 liter (1.7/1.4 US/Imp
qt) |
Suzuki model year code: H
| As far as I know, the RB50 GAG was dropped from
the Suzuki program after 1987.
No changes were made for the second (and last) model year. |
| Here's a couple of '87 RB50 pictures on the Visitors' Suzuki page, sent by Philip Murphy, USA. |
More: RB50
GAG brochures & adverts
More: Suzuki
RB50 GAG
More: Solifer-Suzuki
R (RB50)
More: Pictures
of Pertti's Solifer-Suzuki R (RB50)
More: Pictures
of Andreas' Solifer-Suzuki R (RB50)
More: All
Suzuki models
Sources: Fatbros
Planning, My
Babygixxer Homepage etc.
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