3. CYLINDER HEAD & OIL PUMP

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(1) CYLINDER HEAD COMPLETE(2) CYLINDER HEAD ASSY(3) CAMSHAFT ASSY(4) LIFTER(5) LIFTER BOLT(6) THRUST BOLT(7) OIL SEAL 30-45-8(8) ROCKER ARM(8) ROCKER ARM(8) ROCKER ARM(8) ROCKER ARM(8) ROCKER ARM(8) ROCKER ARM(9) ADJUSTING SCREW(9) ADJUSTING SCREW(10) ADJUSTING NUT(10) ADJUSTING NUT(11) ROCKER ARM SHAFT(12) ROCKER SHAFT BOLT(12) ROCKER SHAFT BOLT(12) ROCKER SHAFT BOLT(13) ROCKER SHAFT SPRING(13) ROCKER SHAFT SPRING(13) ROCKER SHAFT SPRING(14) WASHER 16-23-0.5(14) WASHER 16-23-0.5(14) WASHER 16-23-0.5(14) WASHER 16-23-0.5(14) WASHER 16-23-0.5(14) WASHER 16-23-0.5(14) WASHER 16-23-0.5(15) COLLAR 16-21.7-14.25(15) COLLAR 16-21.7-14.25(16) COLLAR 16-21.7-4.25(16) COLLAR 16-21.7-4.25(16) COLLAR 16-21.7-4.25(16) COLLAR 16-21.7-4.25(17) VALVE SPRING(17) VALVE SPRING(18) VALVE SPRING SEAT(18) VALVE SPRING SEAT(19) INTAKE VALVE STEM SEAL(20) EXHAUST VALVE STEM SEAL(21) OIL PUMP ASSY(22) BOLT(22) BOLT(23) OIL PUMP GASKET(24) INTAKE VALVE KIT(25) INTAKE VALVE o32(26) RETAINER(27) COTTER(28) EXHAUST VALVE KIT(29) EXHAUST VALVE o28(30) RETAINER(31) COTTER(32) ANODE PLUG(33) O-RING 1.9-13(34) ANODE(35) SCREW(36) CYLINDER HEAD GASKET(37) CYLINDER HEAD BOLT M10-90(38) WASHER(39) BOLT 8-P1.25(39) BOLT 8-P1.25(40) DOWEL PIN 6-12(40) DOWEL PIN 6-12(41) CYLINDER HEAD COVER ASSY(42) CYLINDER HEAD COVER GASKET(43) BOLT(43) BOLT(43) BOLT(44) BOLT(45) BREATHER CHAMBER COVER(46) SCREW(47) OIL FILLER CAP(48) O-RING 3.1-24.4(49) SPARK PLUG (DCPR6E)(50) BREATHER HOSE(51) CLIP o15.5(52) BAND(52) BAND



Parts List
2014 :: 50 HP :: 4 Stroke Tohatsu MFS50A :: CYLINDER HEAD & OIL PUMP
Pic. Ref. Part Description Tohatsu
Part Number		 Original
Part Number		 Remarks Price Quantity
Needed
Order
Quantity
(1) CYLINDER HEAD COMPLETE 3KYB010000 3KYB010000 $1,352.26 1 Sold Out View More Details
(2) CYLINDER HEAD ASSY 3KYB010010 3KYB010010 VALVE GUIDE / VALVE SEAT $844.20 1
(3) CAMSHAFT ASSY 3KY078100M 3KY078100M $379.91 1
(4) LIFTER 3KY079600M 3KY079600M $9.67 1
(5) LIFTER BOLT 3KY079620M 3KY079620M $9.43 1
(6) THRUST BOLT 3KY079500M 3KY079500M CAMSHAFT $8.58 1
(7) OIL SEAL 30-45-8 3V1001210M 3V1-00121-0 CAMSHAFT / UPPER $12.26 1
(8) ROCKER ARM 3KY079350M 3KY079350M $34.41 6
(9) ADJUSTING SCREW 3KY079380M 3KY079380M $4.33 6
(10) ADJUSTING NUT 3KY079370M 3KY079370M $1.36 6
(11) ROCKER ARM SHAFT 3KY079200M 3KY079200M $67.34 1
(12) ROCKER SHAFT BOLT 3KY079220M 3KY079220M $2.72 4
(13) ROCKER SHAFT SPRING 3KY079250M 3KY079250M $1.52 3
(14) WASHER 16-23-0.5 3KY079270M 3KY079270M $1.36 12
(15) COLLAR 16-21.7-14.25 3KY079390M 3KY079390M $4.33 2
(16) COLLAR 16-21.7-4.25 3KZ079390M 3KZ079390M $3.55 4
(17) VALVE SPRING 3KY079030M 3KY079030M $7.22 6
(18) VALVE SPRING SEAT 3KY079050M 3KY079050M $0.00 6 Sold Out View More Details
(19) INTAKE VALVE STEM SEAL 3R3072040M 3R3-07204-0 BLACK $2.59 3
(20) EXHAUST VALVE STEM SEAL 3R3072060M 3R3-07206-0 GREEN $2.59 3
(21) OIL PUMP ASSY 3KY076000M 3KY076000M $119.35 1
(22) BOLT 9101E35650M 9101035650M $2.59 4
(23) OIL PUMP GASKET 3KY076530M 3KY076530M $3.86 1
(24) INTAKE VALVE KIT 3KY078950M 3KY078950M $95.51 1
(25) INTAKE VALVE ø32 3KY079010M 3KY079010M $27.29 3
(26) RETAINER 3KY079210M 3KY079210M $8.19 3
(27) COTTER 3H6072230M 3H6-07223-0 $2.28 6
(28) EXHAUST VALVE KIT 3KY078960M 3KY078960M $136.39 1
(29) EXHAUST VALVE ø28 3KY079020M 3KY079020M $39.89 3
(30) RETAINER 3KY079210M 3KY079210M $8.19 3
(31) COTTER 3H6072230M 3H6-07223-0 $2.28 6
(32) ANODE PLUG 3P0011430M 3P0-01143-0 $10.53 3
(33) O-RING 13-1.9 3T5100460M 3T5-10046-0 $0.81 3 Sold Out View More Details
(34) ANODE 3P0602180M 3P0-60218-0 $3.02 3 Sold Out View More Details
(35) SCREW 9215030530M 921503-0530 $0.65 3
(36) CYLINDER HEAD GASKET 3KY010050M 3KY010050M $47.76 1
(37) CYLINDER HEAD BOLT M10-90 3KY010130M 3KY010130M $3.98 8
(38) WASHER 9401211000M 940121-1000 $0.49 8
(39) BOLT 8-P1.25 3BJ610171M 3BJ-61017-1 $1.82 4
(40) DOWEL PIN 6-12 345011110M 345-01111-0 CYLINDER BLOCK-CYLINDER HEAD $1.30 2
(41) CYLINDER HEAD COVER ASSY 3KYB010200 3KYB010200 $97.38 1
(42) CYLINDER HEAD COVER GASKET 3KY010240M 3KY010240M $12.61 1
(43) BOLT 9101035625M 910103-5625 $1.47 6 Sold Out View More Details
(44) BOLT 9101035645M 910103-5645 $0.00 2 Sold Out View More Details
(45) BREATHER CHAMBER COVER 3KY077310M 3KY077310M $7.65 1
(46) SCREW 9215210406M 921521-0406 $1.98 10
(47) OIL FILLER CAP 3R0710151M 3R0-71015-0 $3.31 1
(48) O-RING 3.1-24.4 3R0074220M 3R0-07422-0 $1.30 1
(49) SPARK PLUG 970111103M 9701-1-1103 NGK $6.50 3
(50) BREATHER HOSE 3KY077350M 3KY077350M CYLINDER HEAD COVER-INTAKE SILENCER $18.00 1
(51) CLIP ø15.5 3R0077371M 3R0-07737-1 $2.28 1
(52) BAND 3KY843980M 3KY843980M $1.79 3
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