| Step | | Procedure & Parts & Tools |
| 1 |
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SEE "PULLING THE HEADS" RG
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| 2 |
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MAKE SURE GASKET PIN IS STILL ON ENGINE, MAY COME OFF WITH THE HEAD, IF SO, PULL OFF OLD HEAD AND PUSH BACK IN ENGINE
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| 3 |
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RECONNECT AIR BREATHER HOSE
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| 4 |
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HOLD LEFT SIDE HEAD AND HEAD GASKET (STANDING IN THE OPERATOR POSITION) ON ENGINE. THIS PART NO. IS A KIT FOR THE LEFT HEAD THAT INCLUDES ALL THE GASKETS.
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| 5 |
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REINSTALL 5 HEAD BOLTS LOOSELY
| Ratchet-Socket metric 12mm |
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| 6 |
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TORQUE THE 5 HEAD BOLTS IN NUMERICAL ORDER. EACH BOLT NEEDS TO BE TORQUED TO 25 N-M OR 19.0 FT-LB.
| Torque wrench |
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| 7 |
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SLIDE THE ROCKER ARM GUIDE INTO PLACE
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| 8 |
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HOLDING THE ROCKER ARM GUIDE IN PLACE, REPLACE THE 2 ROCKER ARM STUDS
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| 9 |
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TIGHTEN THE 2 ROCKER ARM STUDS
| Ratchet-Deep socket metric 12mm |
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| 10 |
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SLIDE PUSH RODS BACK INTO PLACE (IF PUSH RODS ARE BENT, PURCHASE SEPARATELY)
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| 11 |
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HOLD THE ROCKER ARMS IN PLACE
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| 12 |
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TIGHTEN THE 2 ROCKER ARM BOLTS
| Ratchet-Socket metric 14mm |
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| 13 |
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TURN THE FLYWHEEL UNTIL EACH ROCKER ARM GOES IN AND OUT AND STOPS (MAY NOT BE AT THE SAME TIME)
| Ratchet-Socket standard 11/16 in |
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| 14 |
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STICK LONG SCREWDRIVER IN SPARK PLUG HOLE AND TURN THE FLYWHEEL UNTIL IT PUSHES THE SCREWDRIVER OUT AND STOPS-THIS IS TOP DEAD CENTER
| Ratchet-Socket standard 11/16 in |
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| Screwdriver-flat tip |
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| 15 |
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INSERT FEELER GAUGE BETWEEN ROCKER ARM AND SPRING (CHECK GAP ON TOP AND BOTTOM ROCKER ARMS)
| Feeler gauge-metric .006in / 0.152mm |
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| 16 |
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IF GAP IS TOO TIGHT OR TOO BIG, LOOSEN NUT (ON TOP AND BOTTOM ROCKER ARMS)
| Ratchet-Socket metric 14mm |
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| 17 |
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HOLD THE NUT AND LOOSEN SET SCREW (ON TOP AND BOTTOM ROCKER ARMS)
| Wrench-Allen standard 7/64 in |
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| 18 |
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INSERT FEELER GAUGE BETWEEN ROCKER ARM AND SPRING, HOLD AND TIGHTEN NUT (TOP AND BOTTOM ROCKER ARMS)
| Feeler gauge-metric .006in / 0.152mm |
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| 19 |
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HOLD BOLT WITH WRENCH AND HOLD SET SCREW AND TIGHTEN BOLT AT THE SAME TIME. RECHECK GAP. (TOP AND BOTTOM ROCKER ARMS)
| Wrench-Allen standard 7/64 in |
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| Ratchet-Socket metric 14mm |
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| 20 |
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SET A NEW GASKET ON THE NEW HEAD
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| 21 |
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HOLD THE VALVE COVER AND GASKET TO THE HEAD AND TIGHTEN THE 2 BOLTS
| Ratchet-Socket metric 10mm |
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| 22 |
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REPEAT STEPS 2 THRU 21 TO REPLACE RIGHT HEAD (STANDING IN THE OPERATOR POSITION) THIS PART NO. IS A KIT FOR THE RIGHT HEAD THAT INCLUDES ALL THE GASKETS.
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| 23 |
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PUSH TO REPLACE VALVE COVER CAP
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| 24 |
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SLIDE THE EXHAUST MANIFOLD IN PLACE
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| 25 |
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TIGHTEN 4 BOLTS HOLDING THE EXHAUST MANIFOLD
| Ratchet-Socket metric 12mm |
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| 26 |
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REPLACE THE CYLINDER SHROUD
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| 27 |
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TIGHTEN THE BOLT ON THE FRONT OF THE CYLINDER SHROUD
| Ratchet-Socket metric 12mm |
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| 28 |
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TIGHTEN THE BOLT FROM THE BOTTOM OF THE CYLINDER SHROUD
| Ratchet-Socket metric 10mm |
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| 29 |
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SLIDE THE INTAKE MANIFOLD ONTO THE ENGINE
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| 30 |
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TIGHTEN THE 4 BOLTS ON THE INTAKE MANIFOLD
| Ratchet-Socket metric 10mm |
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| 31 |
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HOLD THE IGNITION MODULE TO THE ENGINE
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| 32 |
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SPIN THE FLYWHEEL UNTIL THE MAGNETS LINE UP WITH IGNITION MODULE
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| 33 |
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ATTACH IGNITION MODULE USING 2 BOLTS
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| 34 |
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USE FEELER GAUGE TO GAP IGNITION MODULE (.010) AND TIGHTEN THE BOLTS
| Ratchet-Socket metric 10mm |
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| Feeler gauge-metric 0.10mm |
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| 35 |
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RECONNECT THE WIRE CONNECTOR TO THE HARNESS
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| 36 |
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SET THROTTLE PLATE IN PLACE
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| 37 |
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RECONNECT THE SPRING ON THE THROTTLE PLATE
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| 38 |
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SET AND TIGHTEN THE RIGHT BOLT ON THROTTLE PLATE (RETURN TO PREVIOUS POSITION)
| Ratchet-Socket metric 10mm |
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| 39 |
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PLACE CARBUREATOR ONTO INTAKE MANIFOLD BOLTS
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| 40 |
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RECONNECT THROTTLE WIRE TO CARBUREATOR LINKAGE
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| 41 |
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SET AND TIGHTEN THE LEFT BOLT ON THROTTLE PLATE
| Ratchet-Socket metric 10mm |
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| 42 |
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TIGHTEN 2 BOLTS TO RECONNECT THE BRACKET
| Ratchet-Socket metric 10mm |
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| 43 |
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TIGHTEN THE 2 SCREWS ON THE SIDE OF THE BACK COVER
| Screwdriver-phillips |
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| 44 |
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TIGHTEN 2 BOLTS ON BACK COVER
| Ratchet-Socket metric 10mm |
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| 45 |
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TIGHTEN THE 4 BOLTS ON THE SHROUD
| Ratchet-Socket metric 10mm |
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| 46 |
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INSTALL THE AIR FILTER
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| 47 |
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INSTALL THE PRE FILTER
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| 48 |
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INSTALL THE WING NUT
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| 49 |
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REINSTALL THE AIR BREATHER COVER
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| 50 |
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RECONNECT OXYGEN SENSOR PLUG
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| 51 |
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TIGHTEN SPARK PLUG
| Ratchet-Socket standard 13/16 in |
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| 52 |
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PUSH TO RECONNECT SPARK PLUG WIRE
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| 53 |
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SLIDE MUFFLER INTO PLACE
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| 54 |
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REINSTALL BOLT AND 2 WASHERS
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| 55 |
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TIGHTEN BOLT HOLDING MUFFLER
| Wrench-1/4 in |
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| 56 |
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SLIDE CLAMP UP
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| 57 |
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TIGHTEN NUT ON MUFFLER CLAMP
| Ratchet-Deep socket standard 1/2 in |
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| 58 |
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TIGHTEN THE 4 ACORN NUTS
| Ratchet-Socket metric 10mm |
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| 59 |
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PUT THE BONNET ON THE CAGE
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| 60 |
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SET TANK ON MACHINE
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| 61 |
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CLOSE TANK STRAP
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| 62 |
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RECONNECT FUEL LINE
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| 63 |
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TURN TANK ON ONLY IF TURNING THE UNIT ON
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