3. CYLINDER HEAD & OIL PUMP

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(1) CYLINDER HEAD COMPLETE(2) CYLINDER HEAD ASSY(3) DOWEL PIN 6-12(3) DOWEL PIN 6-12(4) OIL SEAL 18-35-8(5) CAMSHAFT ASSY(6) ROCKER ARM(6) ROCKER ARM(6) ROCKER ARM(6) ROCKER ARM(7) ADJUSTING SCREW(7) ADJUSTING SCREW(7) ADJUSTING SCREW(7) ADJUSTING SCREW(8) ADJUSTING NUT(8) ADJUSTING NUT(8) ADJUSTING NUT(8) ADJUSTING NUT(9) ROCKER ARM SHAFT(9) ROCKER ARM SHAFT(10) ROCKER SHAFT SPRING L=30(10) ROCKER SHAFT SPRING L=30(10) ROCKER SHAFT SPRING L=30(11) ROCKER SHAFT SPRING L=50(12) WASHER 13.2-21.8-2(13) COLLAR(13) COLLAR(13) COLLAR(14) INTAKE VALVE(15) EXHAUST VALVE(16) VALVE SPRING L=35(16) VALVE SPRING L=35(17) RETAINER(17) RETAINER(18) COTTER(18) COTTER(18) COTTER(18) COTTER(19) VALVE SPRING SEAT(19) VALVE SPRING SEAT(20) INTAKE VALVE STEM SEAL(21) EXHAUST VALVE STEM SEAL(22) OIL PUMP ASSY(23) O-RING(24) O-RING 1.5-10.7(25) O-RING 1.5-8.5(26) O-RING 1.5-15.5(26) O-RING 1.5-15.5(27) BOLT(28) CYLINDER HEAD GASKET(29) CYLINDER HEAD BOLT 8-60(30) BOLT(31) BOLT(32) WASHER(32) WASHER(33) CYLINDER HEAD COVER(34) CYLINDER HEAD COVER GASKET(35) BOLT(36) OIL FILLER CAP(37) O-RING 3.1-24.4(38) SPARK PLUG (DCPR6E)



Parts List
2013 :: 20 HP :: 4 Stroke Tohatsu MFS20C :: CYLINDER HEAD & OIL PUMP
Pic. Ref. Part Description Tohatsu
Part Number		 Original
Part Number		 Remarks Price Quantity
Needed
Order
Quantity
(1) CYLINDER HEAD COMPLETE 3BKB010000 3BKB01000-0 $1,178.78 1
(2) CYLINDER HEAD 3BKB010010 3BKB01001-0 $824.12 1
(3) DOWEL PIN 6-12 345011110M 345-01111-0 $1.30 2
(4) OIL SEAL 18-35-8 3H8070250M 3H8-07025-0 $5.44 1 Sold Out View More Details
(5) CAMSHAFT ASSY 3BK078100M 3BK-07810-0 $294.47 1
(6) ROCKER ARM (T=17) 3AE072350M 3AE-07235-0 $31.15 4
(7) ADJUSTING SCREW 3R0072380M 3R0-07238-0 $2.74 4
(8) ADJUSTING NUT 3H8072370M 3H8-07237-0 $1.93 4
(9) ROCKER ARM SHAFT 3Y2079200M 3Y2-07920-0 $0.00 2 Sold Out View More Details
(10) SPRING ROCKER SHAFT (OLD) 3H8072250M 3H8-07225-0 $1.50 3
(11) SPRING 3H8072290M 3H8-07229-0 $1.50 1
(12) WASHER 13.2-21.7-2 (NEW) 3R3072270M 3R3-07227-0 $0.97 1
(13) COLLAR 3H8072390M 3H8-07239-0 $1.18 3
(14) INTAKE VALVE 3AE079010M 3AE-07901-0 $20.62 2
(15) EXHAUST VALVE 3AE079020M 3AE-07902-0 $25.02 2
(16) VALVE SPRING 3AE072030M 3AE-07203-0 $3.43 4
(17) RETAINER 3AE079210M 3AE-07921-0 $5.30 4
(18) COTTER 3AE079230M 3AE-07923-0 $1.41 8
(19) VALVE SPRING SEAT 3H6072050M 3H6-07205-0 $1.30 4
(20) INTAKE VALVE STEM SEAL 3R3072040M 3R3-07204-0 BLACK $2.59 2
(21) EXHAUST VALVE STEM SEAL 3R3072060M 3R3-07206-0 GREEN $2.59 2
(22) OIL PUMP 3H8076000M 3H8-07600-0 $50.01 1
(23) OIL PUMP O-RING 3H8076390M 3H8-07639-0 $1.67 1
(24) O-RING 1.5-10.7 3H8076320M 3H8-07632-0 $2.01 1
(25) O-RING 1.5-8.5 3H8076310M 3H8-07631-0 $2.08 1
(26) O-RING 1.5-15.5 3H8076350M 3H8-07635-0 $2.58 2
(27) BOLT 9101F45635M 9101F4-5635 $1.96 3 Sold Out View More Details
(28) CYLINDER HEAD GASKET 3BJ010050M 3BJ-01005-0 $24.79 1
(29) BOLT CYLINDER HEAD 8 - 60 3H8010130M 3H8-01013-0 $2.13 6
(30) BOLT 9161F40625M 9161F4-0625 $0.00 2 Sold Out View More Details
(31) BOLT 9161F90640M 9161F9-0640 $1.59 1
(32) WASHER 9401E30600M 9401E3-0600 $0.00 3 Sold Out View More Details
(33) CYLINDER HEAD COVER 3BKB010210 3BKB01021-0 $98.15 1
(34) CYLINDER HEAD COVER GASKET 3BJ010240M 3BJ-01024-0 RUBBER $9.14 1
(35) BOLT 9101F45630M 9101F4-5630 $1.21 4
(36) OIL FILLER CAP 3R0710151M 3R0-71015-0 $3.31 1
(37) O-RING 3.1-24.4 3R0074220M 3R0-07422-0 $1.30 1
(38) SPARK PLUG 970111103M 9701-1-1103 NGK $6.50 2
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