Figure38
1.Choppertip
2.Usingahacksaw ,cutaslotintheshearedendof
theboltandintothechoppertip(Figure38).Make
suretheslotisdeepenoughtoengageastraight
bladedscrewdriver.
3.Aftercompletingtheslot,heattheshearedboltwith
atorchtosoftentheLoctite(Figure38).
4.OncetheLoctiteissoftened,threadthesheared
boltoutofchoppertip(Figure38).
5.Wheninstallingusedornewchoppertips,always
usenewboltswithapatchlockfeatureortreatthe
boltthreadswithLoctite.
HighAltitudeOperation
Whenoperatinginhighaltitudesthecarburetorjetsmay
havetobechangedtooptimumengineperformance.
Usethechartbelowtodeterminewhichcarburetor
jetisrequiredfortheoperatingaltitude.Orderthe
carburetorjetsfromyourBriggsandStrattonDealer.
CarburetorJetSize
Altitude
LeftCarburetorJetRightCarburetorJet
Standard900feet
150156
5000feet
146152
6500feet
144150
9000feet
140146
31