Montesa COTA 301RR 2023, Owner'S Manual

Page: 25 / 180

Service data
2-2 2-2
Service data
Item Specification
Lubrication
Specified engine oil
Repsol 4T oil-stroke motorcycle oil SAE 10W-30 or
equivalent
Engine oil capacity
after draining
after oil filter change
after disassembly
0.41 liter (0.43 US qt. 0.36 Imp qt)
0.44 liter (0.46 US qt. 0.39 Imp qt)
0.60 liter (0.63 US qt. 0.53 Imp qt)
Specified transmission oil
REPSOL MOTO TRANSMISSION (75W)
ELF HTX740 (75W)
Transmission oil capacity
after draining
after disassembly
0.54 liter (0.57 US qt. 0.48 Imp qt)
0.57 liter (0.60 US qt. 0.50 Imp qt)
Fuel System
Throttle body identification No.
GQPMC (ED/2ED)
GQPMD (3ED/4ED)
Throttle grip free play 3 mm
Engine idle speed 1,800 ± 100 min-1 (rpm)
Fuel pressure 314 - 382 kPa (3.2 - 3.9 kgf/cm 2 )
Fuel pump flow at 12 V 125 cm
3
minimum/10 seconds
Injector resistance 11.1 – 12.3 Ω (20 ˚ C/68 ˚ F)
Cooling System
Recommended coolant 50/50 mixture coolant and distilled water
Radiator cap relief pressure 108 kPa (1.1 kgf/cm
2
)
Presión de alivio tapón del radiador 108 kPa (1.1 kgf/cm2)
Unit: mm (in)
Item Standard Service limit
Cylinder Head/Valves
Cylinder compression 1,300 kPa (13.2 kgf/cm
2
, 189 psi) –
Cylinder head warpage – 0.05 (0.002)
Valve stem O.D.
IN
EX
0.12 ± 0.03 (0.005 ± 0.001)
0.30 ± 0.03 (0.012 ± 0.001)
–
–
IX
EX
4.475 – 4.490 (0.1762 – 0.1768)
4.465 – 4.480 (0.1758 – 0.1764)
4.470 (0.1760)
4.460 (0.1756)
Valve guide I.D. IN/EX 4.500 – 4.512 (0.1772 – 0.1776) 4.552 (0.1792)
Valve stem-to-guide clearance
IN
EX
0.010 – 0.037 (0.0004 – 0.0015)
0.020 – 0.047 (0.0008 – 0.0019)
–
–
Valve guide projection above
cylinder head
IN
EX
8.0 – 8.3 (0.31 – 0.33)
8.2 – 8.5 (0.32 – 0.33)
–
–
Valve spring free length
Inner
Outer
25.41 (1.000)
28.32 (1.115)
24.9 (0.98)
27.6 (1.09)
Rocker arm I.D. 10.000 – 10.015 (0.3937 – 0.3943) 10.051 (0.3957)
Rocker arm shaft O.D. 9.972 – 9.987 (0.3926 – 0.3932) 9.925 (0.3907)
Rocker arm-to-shaft clearance 0.013 – 0.043 (0.0005 – 0.0017) 0.11 (0.04)
Cam lobe height
AD
ES
32.011 – 33.051 (1.2603 – 1.3012)
32.855 – 32.935 (1.2935 – 1.2967)
31.871 (1.2548)
32.748 (1.2893)