Section 04
ENGINE
Subsection 05
(TOP END)
SMR2000-010_04_05A.FM
04-05-7
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. Using FORMULA XP-S synthetic injec-
tion oil, we would suggest annual cleaning of the
valve. If a customer uses a lower quality oil, 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 for the
787 RFI and 947 engines. That piston is 0.25 mm
(.010 in) larger in diameter than the stock piston.
When the oversize is installed, the guillotine will
have a minimum clearance of 0.375 mm (.015 in)
with the cylinder bore. This is the minimum oper-
ating clearance the guillotine should be used with.
Clearance less than 0.375 mm (.015 in) will require
reworking of the guillotine to achieve the proper
clearance and radius.
DISASSEMBLY
RAVE Valve
787 RFI and 947 Engines
Loosen Allen screws
no. 26
each side of RAVE valve.
1. Remove screws
Remove RAVE valve
no. 15
.
Remove the cover
no. 18
of the valve by releasing
the spring
no. 16
.
1. Spring
Remove the compression spring
no. 19
.
1. Remove spring
F06D0QA
1
WARNING
Firmly hold cover to valve base. The com-
pression spring inside the valve is applying
pressure against the cover.
F06D0RA
1
F06D25A
1
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Содержание 2001 GS
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