Suzuki GS1000 User manual

SERVICE MANUAL
GSIM#r SUZUKI hfOT0R CO.. L 721. dW.4 MA -79 PRIhTED 111' JAPAjV .TR -8503
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FOREWORD
FOREWORD
The new GStQOO Suzuki is the fastest. best handling and most thoroughly engineered Suzuki has ever
produced. The GSlOOO is a contiuation of Suzuki's world famous standards of technical engineering.
and superior products.
This service manual has ken produced primarily for experienced mechanics whose job it is to inspect.
adjust, repair and service Suzuki motorcycles. Apprentice mechanics and do-it-yourself mechanics, will
also find this manual an extremely useful guide.
IMPORTANT
A11 Sutuki motorcycles manufactured on or after January 1 ? 1 978 are subject to Environmetal Protec-
tion Agency emission regulations. These regutations set standards for emission control. and also set
specific sewicing requirements, This manual contains all of the necessary infomation that is required to
properly insped and service the GS 1000 and GS I WE in accordance with the EPA regulations.
Primarily. the emission components which can tffect the emission output of the GS 1000 consist of the
carburetors and crankcase breather device. Emission control information is contained in the Fuel
.-
System chapter and the Emission Control chapter. However, we strongly suggest that the chapter on
Emission Control be reviewed before any type of senice work is performed.
Further information concerning the EPA emission regulations and U.S. Suzuki's emission control
program can be found in the U.S. SUZUK1 EMISSION CONTROL PROGRAM MANUAL.
SUZUKI MOTOR C0,LTb.
Service Departrn~r?t
Qn~lng. copying or otherwise uslng any pafl aC this manual wlthwt exptleft authatfzstion fmm Suzukl Motor Co., Ltd. 1s not
permitted as all rights to the publieation art reserved under ccrpydght law.

SIDE VlEW
VIEW OF SUZUKl GSlOOO
Right side
Left side

GROUP INDEX
GENERAL INFORMATION
SERVICE SPECIFICATIONS
SPECIAL MATERIALS
SPECIAL TOOLS
TROUBLE SHOOTING
-
ENGINE_-
FUEL SYSTEM & CARBURETORS 0
I
b
-
EMISSION CONTROL & REGULATIONS
, CHASSIS
1 ELECTRICAL SYSTEM__E?L
11
GS 1000s
GS 1OOOL

GENERAL INFORMA TION
GENERAL INFORMATION
CONTENTS
............................................................................
IDENTIFICATION TABLE 1 -2
FUEL, OILS AND BRAKING-IN PROCEDURE .............................................. 1-2
ORIENTATION ......................................,.......................................................... 1-3
SERVICE SPECIFICATIONS ........................................................................ 1-4

GENERAL INFORMATION
GENERAL INFORMATION
IDENTIFICATION TABLE
SERIAL NUMBER LOCATION
The frame serial number @ is stamped on the
steering head pipe. The engine serial number @
is located on the right side of the crankcase.
These numbers are required especially for
registering the machine and ordering spare
parts.
FUEb OILS AND BREAKING-IN
PROCEDURE
FUEL
Gasoline used should be graded 85 -- 95 oc-
tane or higher. An unleaded or low-lead gas-
oline type is recommended.
ENGINE OIL
Be sure that the engine oil you used comes un-
der APT classification of SE or SD and that its
viscosity rating is SAE 1OW-40. If SAE
10W-40 motor oil is not available, select the oil
viscosity according to the following chart:
BRAKE OIL (for fmnl d rerrr brakes)
Specification and classification:
DOT 3, DOT 4
FRONT FORK OIL
SAE 10W/20
BREAKING-IN PROCEDURE
During manufacture only the best possible
materials me used and all machined parts are
finished to a very high standard but it is still
necessary to albw the moving parts to
"BREAK-IN" before subjecting the engine to
maximum stresses. The future performance and
reliability of the engine depends on the care and
restraint exercised during its early life. The
gewxsrl rules art as fobws:

GENERAL INFORMATION
1, Keep to these break-in engine speed limits:
2. Upon reaching an dometer reading of
1,000 mila (1,500 km), you can subject
the motorcycle to full throttle operation.
However, do not exceed 8,500 rpm at any
Initial 500 miles
(m km)
Up to 1,000 mila
(1-M)O km)
Over 1,000 miles
f 1.600 km)
time.
Below 4,000 rpm
Below 6,000 rpm
Wow 8,500 rpm
LOCATION OF PARTS
I. Tachometer
2. Ignition switch
3. Front brake lever
4. Throttle grip
5. Reat brake pedal
6. Foot rests
7. Speedometer
8. Clutch lever
9. FueI tank cap
10. Gear shin lever
ORIENTATION
CYLINDER IDEMTlIFICATION @
The four cylinders of this engine are identified as
No. 1, No. 2, No. 3 and No. 4 cylinder, as
counted from left to right (as viewed by the rider
a
on the seat). a
LRR * Right

SERVICE SPECIFICATIONS
GENERAL INFORMATION
DiMENSIONS AND WEIGHT
Overall length
Overall width
Overall height
Wheelbase
Ground clearance
Dry weight
Gross vehicle weight rating
ENGTNE
Type
Number of cylinder
Bore
Stroke
Piston displacement
Compression ratio
Carburetor
Air cleaner
Starter system
Lubrication system
TRANSMISSION
Clutch
Transmission
Gearshift pattern
Primary duction
Final reduction
Gear ratios, Low
2nd
3rd
4th
Top
Drive chain
CHASSIS
Front suspension
Rear suspension
Steering angle
Caster
Trd
Turning radius
Front brake
Rear brake
Front tire size
Rear tire size
Front tire pressure
Rear tire pressure
2,225 mm (87.6 in,)
850 mm (33.5 in.)
1,165 mm (45.9 in.)
1,505 mm (59.3 in.)
155 mm ( 6.1 in.)
230 kg (507 Ibs.)
924 lbs.
Four-stroke cycle, air-cded, DOHC
4
70.0 mm (2.756 in.)
73, Q
64.8 mm (2.55 1 in.)
997 cm3 ( 8 cu.in.)
9.2 : 1 a. I /a@ w ?
dcsu
MIKUNI VM26S$ four SQ llr ~~fi
Paper element Y
Electric
Wet sump
Wet multi-plate type
5-speed constant mesh
laown 4-up
1.775 (87/49)
2.800 (42/ 15)
2.500 (35/14)
1.777 (32/18)
1.380 (29/2 1)
1. f 25 (27/24)
0.96 1 (25/26)
TAKASAGO #630GSO, 96 links
E
DAIDO #630 YL, 96
-
Tclcsoopi~, pneum&c/Qoil spring, oil dampened
Swinging mq d dampened, damper Cway/spting
S-way adjustable
40' (right and !dl)
63 O
113 rnm (4.45 in.)
2.62 m (8.5 R)
Disc brake
Dkc brake
3.25V19-4PR
4,00V184PR
175 kPa 1.75 wan2 (25 psi) (Normal solo riding)
200 kPa 2.00 kg/cm2 (28 pi) (Normal solo ding)

GENERAL INFORMATION
ELECTRICAL
Ignition type
Ignition timing
Spark plug
Spark plug gap
Battery
Generator
Fuse
Battery ignition
17 O B,T.D.C. klow 1,500 rpm and
37" B,T.D.C. abve 2,500 rpm
NGK B-8ES or NfPPON DENSO W24ES
0.6 - 0.8 mm both NGK and NIPPON DENSO
1ZV 14Ah/10 Hous
Three-phase A.C. generator
10/10/10/15A
CAPACmS
Fuel tank including reserve
19 L (5.0 US.gat)
4.0 L (4.2 US.qt)
Engine oil change
3.4 L (3.6 US.qL)
change fdter
3.8 L (4.0 US.qt)
overhaul 4.2 L (4.4 US.qt.)
Front fork air pressure
0.8 kg/mr2 (1 1.4 psi)
Front fwk oil
24 1 ml(8.15 US.oz.) in each leg
(At time of overhaul and replacement)
* Specifications are subject to change without notice.

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