Montesa COTA 4RT 260 2020, Owner'S Manual

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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 ELF HTX740
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. GQPEB
Throttle grip free play 3 mm (0.1 in)
Engine idle speed 1,800 ± 100 (rpm)
Fuel pressure
314 - 382 kPa (3.2 - 3.9 kgf/cm
2
) at idle
(3.2 kgf/cm
2
- 3.9 kgf/cm
2
, 45 psi - 55 psi) at idle
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
Unit: mm (in)
Item Standard Service limit
Cylinder Head/Valves
Cylinder compression 1,300 kPa (13.2 kgf/cm
2
) –
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)
Service data
2-2 2-2