Robin FL-H7500 - Ⅹ.valve Clearance Adjustment・・・・・・・・・・・・ ６１~６２

62
  
NO. Partname Instructions
3
ROCKERCOVER
(1) RemovetheROCKERCOVER.

4
VALVECLEARANCE
ADJUSTMENT

AdjustVALVEclearanceat
the compression top dead
center
(1) PositionthePISTONtothecompressiontopdeadcenter.
1)RotatetheCRANKSHAFTclockwiseholdingthePULLEYbythehanduntil 
thepositionoftheFLYWHEELcountermarksandCRANKCASEcomein 
ahorizontalposition.(RemovingthePLUG,SPARKwillallowthesmoothrotation.)
Afterthis:
2)M
akesurethat,bywatchingtheINTAKEVALVEmovement,theVALVEismovedbackto
the original position before the EXHAUST VALVE slightly moves (the confirmation is
completed).
3)EvenifthetwocountermarksandtheCRANKCASEcomeinahorizontalposition, 
wherethishappensbeforetheEXHAUSTVALVEmovestoalargedegree, 
ortheINTAKEVALVEmoveswhenrotatingthecrankshaftclockwiseslightly, 
then rotate the CRANKSHAFT clockwise again holding the PULLEY by the hand (the
confirmationiscompleted). 
(2) LoosenNUTandadjustVALVECLEARANCEbyrotatingADJUSTSCREWwithahexagon
barwrench.VALVECLEARANCE：0.15mm
(3) TightenNUTfirmlyaftertheadjustment.
Tightening torque 50
+15
kgf・cm
(4) Fastenthenutsandscrewsaccordingtothecorrespondingspecifiedtighteningtorquewhen
reassembling.Replacetheoldrockercovergasketwiththenewone,ifneeded.
 

0
ROCKERCOVER
Thicknessgauge
AdjustScrew
(2)

(3)

PULLEY

Countermarks
(1)

VALVEclearance0.15mm