Yamaha XT660R S Service Manual

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SPEC
ENGINE SPECIFICATIONS
ENGINE SPECIFICATIONS
Item Standard Limit
Engine
Engine type Liquid-cooled, 4-stroke, SOHC ----
Displacement 660 cm
3
(40.27 cu · in) ----
Cylinder arrangement Forward-inclined single cylinder ----
Bore × stroke 100.0 × 84.0 mm (3.94 × 3.31 in) ----
Compression ratio 10.00 : 1 ----
Engine idling speed 1,300 ~ 1,500 r/min ----
Water temperature 80 °C (176 °F) ----
Oil temperature 55 ~ 60 °C (131 ~ 140 °F) ----
Standard compression pressure
(at sea level)
650 kPa (6.5 kg/cm
2
, 92.4 psi)
at 800 r/min
----
Fuel
Recommended fuel Premium unleaded gasoline only ----
Fuel tank capacity
Total (including reserve) 15.0 L (3.30 Imp gal, 3.96 US gal) ----
Reserve only 5.0 L (1.10 Imp gal, 1.32 US gal) ----
Engine oil
Lubrication system Dry sump ----
Recommended oil
Refer to the chart for engine oil grade.
API service SE, SF, SG type or higher
----
Quantity
Total amount 2.90 L (2.55 Imp qt, 3.07 US qt) ----
Periodic oil change 2.50 L (2.20 Imp qt, 2.64 US qt) ----
With oil filter replacement 2.60 L (2.29 Imp qt, 2.75 US qt) ----
Oil filter
Oil filter type Paper ----
Bypass valve opening pressure 40.0 ~ 80.0 kPa
(0.40 ~ 0.80 kg/cm
2
, 5.8 ~ 11.6 psi)
----
Pressure check location Oil filter chamber ----
-20 -10 0
10
20 30
40
50 ˚C
SAE 10W-30
SAE 15W-40
SAE 20W-40
SAE 20W-50
SAE 10W-40

Yamaha XT660R S Specifications

General

Displacement	660 cc
Bore x Stroke	100.0 mm x 84.0 mm
Compression Ratio	10.0:1
Fuel System	Fuel Injection
Ignition System	TCI
Starter System	Electric
Transmission System	5-speed
Final Drive	Chain
Front Suspension System	Telescopic forks
Front Tyre	90/90-21 M/C 54S
Rear Tyre	130/80-17 M/C 65S
Overall Width	865 mm
Overall Height	1, 230 mm
Seat Height	865 mm
Wheelbase	1, 505 mm
Wet Weight	181 kg
Fuel Tank Capacity	15 litres
Oil Tank Capacity	2.9 litres
Engine Type	Liquid-cooled, 4-stroke, single cylinder, SOHC
Maximum Power	48hp (35kW) @ 6, 000rpm
Frame	Steel diamond
Rear Suspension System	Swingarm, (link suspension)
Front Brake	Single 298mm disc, 2-piston caliper
Rear Brake	Single Disc, 245 mm