Montesa COTA 4RT 260 2023, Owner'S Manual

Page: 68 / 180

Engine servicing
4-5 4-5
(1) BANJO BOLT
(2) SEALING WASHER
(1) MANOMETER ADAPTER, 12 MM
(2) SEALING WASHER, 12 MM
(3) SEALING WASHER, 6 MM
(4) F. PRESSURE GAUGE
Remove the fuel feed hose banjo bolt and attach the fuel
pressure gauge with the following Montesa Genuine parts.
Manometer adapter, 12 mm
part No. 90008-PP4-E02
Sealing washer, 12 mm
part No. 90428-PD6-003
Sealing washer, 6 mm
part No. 90430-PD6-003
Tool:
Fuel pressure gauge 07406-0040003 or
07406-0040002
(1) FUEL PRESSURE GAUGE
Fuel Line Inspection
Fuel Pressure Inspection
!
WARNING
Gasoline is highly flammable and is explosive.
You can be burned or seriously injured.
y
Stop engine and keep heat, sparks, and flame away.
y
Refuel only outdoors.
y
Wipe up spills immediately.
NOTICE
Before disconnecting the fuel hoses, release the fuel
pressure by loosening the fuel feed hose banjo bolt at
the injector holder.
Always replace the sealing washers when the fuel hose
banjo bolt is removed or loosened.
Remove the rear fender.
Cover the fuel feed hose banjo bolt with a rag or shop
towel.
Slowly loosen the banjo bolt and catch the remaining fuel
using a approved gasoline container.
Start the engine.
Read the fuel pressure at idle speed.
Idle Speed: 1,800 ± 100 min-1 (rpm)
Standard: 230 kPa (min.) - 320 kPa (max.)
(2.34 kgf/cm
2
- 3.26 kgf/cm
2
, 33 psi- 46 psi)
If the fuel pressure is higher than specified, inspect the
following:
– Fuel pump (page 4-7)
If the fuel pressure is lower than specified, inspect the
following:
– Fuel line leaking
– Clogged fuel filter
– Fuel pump (page 4-7)
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