Section 04
ENGINE (DI)
Subsection 05
(TOP END)
SMR2002-062_04_05A.FM
04-05-3
RAVE VALVE OPENED
1. Pressure from air compressor
2. Solenoid activated
3. Pressure to solenoid
4. Pressure to RAVE valves
RAVE VALVE CLOSED
1. Pressure from air compressor
2. Solenoid deactivated
3. Pressure to solenoid
4. Pressure to RAVE valves blocked by the solenoid
5. Vent to air intake silencer
6. Check valve
7. Counterbalancing shaft oil cavity vent
MAINTENANCE
There are no wear parts anywhere in the system
and there are no adjustments to be periodically
checked. The only possible maintenance required
would be cleaning of carbon deposits from the
guillotine slide. Cleaning intervals would depend
upon the user’s riding style and the quality of the
oil used. We suggest annual cleaning of the valve.
If a customer uses a lower quality oil, than recom-
mended, more frequent cleaning may be required.
No special solvents or cleaners are required when
cleaning the valve.
BORING PRECAUTION
In its stock configuration the RAVE valve guillotine
has a minimum of 0.5 mm (.020 in) clearance to the
cylinder bore measured at the center line of the cyl-
inder. This is the minimum production clearance.
There is only a first oversize piston available. That pis-
ton is 0.25 mm (.010 in) larger in diameter than the
stock piston. When the oversize is installed, the guil-
lotine will have a minimum clearance of 0.375 mm
(.015 in) with the cylinder bore. This is the minimum
operating clearance the guillotine should be used
with. Clearance less than 0.375 mm (.015 in) will re-
quire reworking of the guillotine to achieve the proper
clearance and radius.
DISASSEMBLY
RAVE Valve
Loosen Allen screws
no. 26
each side of RAVE valve.
1. Remove screws
3
2
1
F12D04A
4
3
2
1
F12D05A
4
5
6
7
1
F12D0UA
1
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Содержание GTX 4-TEC 5573 2002
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