Editing Suzuki GT380B

{{Infobox Motorcycle
|name             = [[Suzuki]] GT380B
|image            = [[File:Suzuki-GT-380-77.jpg|frameless|Suzuki GT380B]]
|aka              = 
|manufacturer     = Suzuki
|parent_company   =
|production       = 1977
|model_year       =
|predecessor      =
|successor        =
|class            =
|engine           = Two stroke, transverse three cylinder
|bore_stroke      =
|compression      = 7.2:1
|top_speed        = 153 km/h / 95 mph
|power            =
|torque           =
|fuel_system      =
|ignition         = Battery and coil
|spark_plug       =
|battery          =
|transmission     = 6 Speed
|frame            =
|suspension       =Front: Telescopic fork, oil dampened <br>
Rear: Dual shocks, springs, 5-way adjustable
|brakes           =Front: Single 275 mm disc <br>Rear: 180mm drum
|front_tire       = {{tire|3.00-19 4PR}} 
|rear_tire   	  = {{tire|3.50-18 4PR}} 
|rake_trail       =
|wheelbase        = 1379 mm / 54.3 in
|length           =
|width            =
|height           =
|seat_height      = 787 mm / 31 in
|dry_weight       =
|wet_weight       = 171 kg / 377 lbs
|fuel_capacity    = 15 Litres / 4.0 US gal / 3.3 Imp gal
|oil_capacity     = 1.3 Litres / 2.7 US pt / 2.2 Imp pt
|fuel_consumption =
|turning_radius   =
|related          =
|competition      =
}}

It could reach a top speed of 153 km/h / 95 mph.  

==Engine==
The engine was a Air cooled cooled Two stroke, transverse three cylinder. The engine featured a 7.2:1 [[compression ratio]].  

==Drive==
Power was moderated via the Wet, multiplate.  

==Chassis==
It came with a 3.00-19 4PR front [[tire]] and a 3.50-18 4PR rear tire. Stopping was achieved via Single 275 mm disc in the front and a 180mm drum in the rear. The front suspension was a  Telescopic fork, oil dampened while the rear was equipped with a Dual shocks, springs, 5-way adjustable. The GT380B was fitted with a 15 Litres / 4.0 US gal / 3.3 Imp gal fuel tank. The wheelbase was 1379 mm / 54.3 in long.  
== Photos ==
[[File:Suzuki-GT-380-77.jpg|600px|Suzuki GT380B]]
[[File:Suzuki-GT380-78.jpg|600px|Suzuki GT380B]]

== Overview ==

Suzuki GT 380B























Suzuki
launched its
air-cooled two-stroke triples
GT380 and GT550
in 1972. An
water-cooled three-cylinder
GT750 had already
been presented
a
year earlier and
the 380 and
550 followed the
design of the
flagship model.

The GT380 and
GT550 were
predicatable and sporty
motorcycles, but

up to a

point. At touring
speeds they were
comfortable and

smooth, but twisting
the grip farther
brought a wobble
and cornering at
higher speeds
showed the limitations
of the
suspension, swinging arm
and the tube
frame.

The GT engines
were less highly
tuned than for
example the
Kawasaki triples. It
was tuned for
the long run.
Porting, timing,

compression, carburetor size
etc. were all
chosen to deliver
smooth power
at
the expence
of
maximum power.
It
made the Suzuki
GTs more reliable
than fast. The
odd 3 to
4 exhaust system
and rigid foot
pegs also limited
the leaning
angle
and the sporting
nature of the
bike. The GT
triples were

simply made for
touring and
not
for sport-styled

riding.

The Ram Air
System (introduced
in all of
the air-cooled
GT
models) that

forced the cool
air to pass
through the

cylinders and behind
the block was
a new
developement, tested earlier
on Suzuki's
TR500
racers. It is
an simply an
air scoop that
ducts cold air
directly onto
the
cylinder head
the
help the cooling
on the engine.
It was a
known problem

that two-stroke engines
lost power when
the cylinder
head
temperature rose

too much. Cooling
problem plagued

other two-stroke triples
but the Ram
Air System made
the Suzuki GT
triples less

suspective to the
charasteric two-stroke
power loss caused
by too high
a cylinder head
temperature after

a long, hard
run. Nevertheless

the GT triples
still had a
reputation for

the middle piston
seizing.

Suzuki's automatic
system mixing

fuel and oil
had been refined
for the GT
models, providing

less exhaust smoke,
now called CCI.
A clever new
item in the
early seventies

was the vacuum-operated
petcock was
first
used on the
GTs and later
used on all
Suzuki mototrcycle
models.

Both triples
saw
some minor
improvements every year
of their
production but after
only few of
years production

the two-stroke engined
street bikes
were
terribly out
of
fashion. Although

the GT380 was
as strong and
reliable as
a
four-stroke of

equal displacement the
rather high
fuel
comsuption of
the
two-strokers was

suddenly an issue,
when the gasoline
prizes rose
in
the seventies.

Even Suzuki itself
dug a grave
to its two-stroke
models by
launching its highly
popular GS series
with four-stroke

angines. It was
actually forced

to change their
minds and start
making four-stroke
engines. The

tighter emission regulations
in America
sounded the death
knell for most
two-strokes.

Source suzukicycles.org

{|  class="wikitable"
|- 
!Make Model
|Suzuki GT 380B
|- 
!Year
|1977
|- 
!Engine Type
|Two stroke, transverse three cylinder
|- 
!Displacement
|371 cc / 22.6 cu in
|- 
!Bore X Stroke
|54 x 54 mm
|- 
!Compression
|7.2:1
|- 
!Cooling System
|Air cooled
|- 
!Exhaust
|3 into 4, stainless steel
|- 
!Induction
|3 x 24mm Mikuni carburetors
|- 
!Ignition
|Battery and coil
|- 
!Starting
|Kick
|- 
!Max Power
|27.7 kW / 38 hp @ 7500 rpm
|- 
!Max Torque
|38 Nm / 3.9 kgf-m / 28 lb-ft @ 6000 rpm
|- 
!Clutch
|Wet, multiplate
|- 
!Transmission
|6 Speed
|- 
!Final Drive
|Chain
|- 
!Front Suspension
|Telescopic fork, oil dampened
|- 
!Rear Suspension
|Dual shocks, springs, 5-way adjustable
|- 
!Front Brakes
|Single 275 mm disc
|- 
!Rear Brakes
|180mm drum
|- 
!Front Tire
|3.00-19 4PR
|- 
!Rear Tire
|3.50-18 4PR
|- 
!Dimensions
|Length: 2090 mm / 82.3 in Width: 815 mm / 32.1 in Height: 1125 mm / 44.3 in
|- 
!Wheelbase
|1379 mm / 54.3 in
|- 
!Ground Clearance
|145 mm / 5.7 in
|- 
!Seat Height
|787 mm / 31 in
|- 
!Wet Weight
|171 kg / 377 lbs
|- 
!Fuel Capacity
|15 Litres / 4.0 US gal / 3.3 Imp gal
|- 
!Oil Capacity
|1.3 Litres / 2.7 US pt / 2.2 Imp pt
|- 
!Standing ¼ Mile
|13.8 sec
|- 
!Top Speed
|153 km/h / 95 mph

|}

[[Category:Suzuki motorcycles]]