Suzuki GSX 1400 (2001–2004) — Specs

Identity

Manufacturer: Suzuki

Model: GSX 1400

Category: Motorcycle

Type: Motorcycle

Years: 2001 → 2004

Engine

Displacement (cc): 1402

Cylinders: 4

Power (hp): 106

Power (kW): 78

Torque (Nm): 126

Dimensions

Overall length: 2380 mm

Overall width: 920 mm

Overall height: 1340 mm

Wheelbase: 1580 mm

Ground clearance: 140 mm

Weight (kg): 256

Seat height (mm): 800

Tank (L): 22

Tires

Front tire: 120/70 ZR17

Rear tire: 190/50 ZR17

Front pressure (bar): 2.5

Rear pressure (bar): 2.5

Drivetrain

Drive chain: 530 chain, 116 links

Sprockets (front / rear): 18 / 41

Ignition

Spark plug: NGK CR8EK

Plug gap: 0.7 mm

Fluids & Filters

Engine oil: SAE10W-40, API SF

Engine oil (with filter, L): 4.8

Engine oil (without filter, L): 4.2

Oil filter: Hiflofiltro HF138

Air filter: OEM air filter

Brake fluid: DOT 4

Fuel consumption

Estimated range: ~366 km on a full tank (22.0 L)

Service

Battery: OEM battery specification

Service interval (km): 6000

Service interval (months): 12

Valve check (km): 24000

Parts and consumables for this motorcycle

Data is gathered with care, but without guarantee. Always confirm critical information with your dealer or workshop.

Service notes

Service interval: every 6,000 km or 12 months, whichever comes first. Valve clearance check every 24,000 km. Valve clearance — intake cold 0.10-0.20 mm, exhaust cold 0.20-0.30 mm. Engine oil: oil grade SAE10W-40, API SF, 4.8 L with filter change, 4.2 L without filter change. Spark plug: NGK CR8EK (gap 0.7 mm). Brake fluid: DOT 4. Chain: 116 links, sprockets 18/41 teeth. Tire pressure: front 2.5 bar, rear 2.5 bar (cold). Tire size: front 120/70 ZR17, rear 190/50 ZR17. Always confirm critical values with the workshop manual or an authorised dealer.

OEM and quality aftermarket parts that fit this bike. Always confirm with your dealer before ordering.

Engine oil

Spec: SAE10W-40, API SF, 4.8 L (with filter), 4.2 L (without filter)

OEM OEM recommended engine oil (SAE 10W-40)
Premium Motul 7100 4T (100% Synthetic, Ester)
Premium Motul 5100 4T Technosynthese (Semi-Synthetic)

Which Motul for this bike?

	Motul 7100 4T ✓	Motul 5100 4T
Product	Motul 7100 4T — 100% fully synthetic	Motul 5100 4T — semi-synthetic
Best for	Sport, Naked, Adventure (600cc+), track	Standard, Cruiser, Scooter, daily use
RPM protection	Excellent — ester base, stable under load	Good — for normal riding conditions

Standard Repsol Moto Racing 4T (Synthetic)
Standard Elf Moto 4 Tech (Semi-Synthetic)

Fully Synthetic vs Semi-Synthetic

	Fully Synthetic	Semi-Synthetic
Base oil	100% chemical synthesis (ester or PAO)	Mineral oil + synthetic additives
Heat resistance	Excellent — stable at extreme heat & RPM	Good — suitable for normal temperatures
Cold start	Better — reaches engine faster when cold	Good — adequate for normal climates
Change interval	Longer (up to 10,000 km)	Shorter (5,000–7,000 km typical)
Price	Higher	Lower

Oil filter

Spec: Hiflofiltro HF138

Premium Hiflofiltro HF138
Premium K&N KN-138

Air filter

Spark plug

Spec: NGK CR8EK, gap 0.7 mm

OEM NGK CR8EK
Premium NGK CR8EIX
Standard NGK CR8EK

Front brake pads

Spec: EBC FA188HH

Premium EBC FA188HH

Rear brake pads

Spec: EBC FA188HH

Premium EBC FA188HH

Drive chain

Spec: 116 links | Sprockets 18/41 teeth / 116 links

Front tire

Spec: 120/70 ZR17, 2.5 bar

OEM OEM front: 120/70 ZR17

Rear tire

Spec: 190/50 ZR17, 2.5 bar

OEM OEM 190/50 ZR17

Battery

Premium Yuasa YTX20HL-BS (typical 1300cc+ cruiser/tourer)

Brake fluid

Spec: DOT 4

Standard TotalEnergies HBF4

Coolant

Service interval

Spec: 6 000 km / 12 months

OEM Engine oil + oil filter change
OEM Air filter inspection
OEM Spark plug check
OEM Brake fluid replacement: every 2 years

Valve check

Spec: 24 000 km

OEM Intake clearance: cold 0.10-0.20 mm
OEM Exhaust clearance: cold 0.20-0.30 mm

Suspension

Spec: 46 mm telescopic fork / 644 ml SAE 5W

OEM Fork: 46 mm telescopic fork
OEM Fork oil grade: 644 ml SAE 5W