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ENGINE PARTS - MODEL 510r 4 - CYCLE GAS CULTIVATOR PPN - 21BK515G034 Part Numbers On Following Page 1 2 3 4 18 19 20 5 21 22 23 24 25 6 26 29 30 7 8 28 32 31 10 9 33 12 43 11 42 13 27 41 47 35 34 14 36 40 15 44 45 46 48 38 49 17 37 39 16 53 52 54 55 57 88 50 56 85 51 85 87 61 58 62 86 77 59 76 84 60 78 75 91 89 74 72 73 90 71 63 82 83 68 65 79 81 70 64 80 69 67 66 Issued 7 / 02
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ENGINE PARTS - MODEL 510r 4 - CYCLE GAS CULTIVATOR PPN - 21BK515G034 Item Part No . Description Item Part No . Description 49 791 - 181247 Palnut / Retaining Ring 1 753 - 04028 Engine Cover 50 791 - 182748 Recoil Pulley 2 791 - 182339 Engine Cover Screws 51 753 - 1236 Recoil Spring 3 791 - 182651 Starter Rope Eyelet 52 791 - 182366 Nut Clip 4 791 - 182652 Eyelet Nut 53 791 - 181079 Pull Handle 5 791 - 181025 Valve Cover Screw 54 791 - 611061 Rope Guide 6 791 - 182098 Valve Cover 55 791 - 613103 Rope 7 791 - 182099 Valve Cover Gasket 56 791 - 181020 Starter Housing Screw 8 791 - 182340 Rocker Adjustment Nut 57 753 - 04160 Starter Housing Assembly ( includes 49 - 56 ) 9 791 - 182101 Rocker Arm Pivot 58 791 - 182537 Wire Grommet 10 791 - 182100 Rocker Arm 59 791 - 182368 Clutch Washer 11 791 - 182341 Rocker Arm Stud 60 753 - 1238 Clutch with Washer 12 791 - 182103 Valve Spring Retainer 61 791 - 153592 Clutch Drum 13 791 - 181038 Valve Spring 62 753 - 1239 Clutch Cover 14 791 - 182102 Push Rod Guide 63 791 - 181345 Clutch Cover Screw 15 791 - 181033 Push Rod 64 791 - 182665 Switch Wire Assembly 16 791 - 182745 Cylinder Assembly 65 753 - 04040 Ignition Module with Screws ( includes 11 - 14 , 16 , 18 & 78 ) 66 791 - 181065 Spacer 17 791 - 182344 Cylinder Screw 67 791 - 182736 Flywheel 18 753 - 1226 Intake Baffle 68 791 - 181861 Screw 19 791 - 182749 Carburetor Mount Gasket 69 791 - 182743 Shroud Assembly with Screws ( includes 68 ) 20 791 - 181034 Nut 70 791 - 182376 Crankcase Assembly ( includes 71 & 72 ) 21 753 - 04029 Carburetor Mount ( includes 20 ) 71 791 - 182375 90 ° Elbow 22 791 - 182348 Carburetor Mount Screw 72 791 - 182379 Breather Hose 23 791 - 182732 Carburetor Gasket 73 791 - 181015 Cam Gear 24 791 - 182654 Carburetor with Primer 74 753 - 1242 Cam Follower 25 753 - 04030 Air Filter Gasket 75 791 - 181013 Cam Bracket 26 791 - 182655 Air Filter Cover Assembly 76 791 - 181012 Cam Bracket Screw ( includes 27 , 28 , 31 - 33 ) 77 791 - 181040 Valves , Intake and Exhaust 27 791 - 182097 Breather Tube Assembly 78 791 - 182374 Cylinder Gasket 28 791 - 182656 Grommet Washer 79 791 - 181018 Oil Pan Gasket 29 791 - 182409 Washer 80 791 - 182377 Oil Pan ( includes 79 & 81 ) 30 753 - 04031 Air Filter Mounting Screw 81 791 - 181020 Oil Pan Screw 31 791 - 182657 Air Filter Plate 82 791 - 182378 Dipstick Assembly ( includes 83 ) 32 791 - 182658 Air Filter 83 791 - 182290 O - Ring 33 791 - 182659 Air Filter Cover 84 791 - 181009 Connecting Rod 34 791 - 182271 Fuel Cap 85 791 - 181008 Wrist Pin Button 35 791 - 182352 Fuel Return Line 86 753 - 1243 Piston 36 791 - 182353 Fuel Pick - Up Line with Filter 87 791 - 181006 Wrist Pin 37 791 - 181080 Screw 88 791 - 181005 Piston Ring Set 38 791 - 182354 Washer 89 791 - 145569 Anit - Rotation Screw 39 791 - 182660 Fuel Tank Assembly ( includes 34 - 36 ) 90 753 - 1240 Screw 40 791 - 182356 Fuel Tank Shield 91 753 - 04092 Nut 41 753 - 1232 Muffler Baffle * 791 - 180852 Spark Plug 42 791 - 181048 Muffler Gasket * 753 - 04087 Short Block Assembly ( includes 5 - 17 , 70 - 88 ) 43 753 - 04036 Muffler ( includes 42 , 44 - 46 ) * 791 - 180142 Starter Pawl Repair Kit 44 791 - 180890 Spark Arrestor Screen * 753 - 04014 Carburetor Repair Kit 45 791 - 181045 Screen Cover * 753 - 1248 Gasket / Diaphragm Repair Kit 46 791 - 181046 Screw 47 791 - 182361 Muffler Mounting Screw * Parts not shown 48 753 - 04092 Muffler Cover Issued 7 / 02
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BOOM AND CULTIVATOR PARTS - MODEL 510r 4 - CYCLE GAS CULTIVATOR PPN - 21BK515G034 1 4 15 3 16 9 2 17 7 18 1 22 6 12 8 13 5 23 11 9 24 12 10 27 Item Part No . Description 11 1 791 - 00024 Throttle Trigger and Cable Assembly 14 19 ( includes2 & 3 ) 2 791 - 182672 Switch Bracket 26 25 3 791 - 182673 Ignition Switch 27 20 4 791 - 00025 Upper Handlebar Assembly ( includes 5 & 6 ) 26 5 791 - 182675 Grip 6 791 - 182676 Tube Closure 21 14 7 791 - 182677 Handlebar Knob 8 791 - 182678 Washer 28 30 12 9 791 - 182899 Bolt 29 10 791 - 00026 Lower Handlebar Assembly 11 791 - 182681 Handlebar Mounting Hardware 12 791 - 182682 Gearbox Mounting Hardware 13 791 - 182683 Guard 30 14 791 - 182684 Wheel Bracket Mounting Hardware 15 791 - 683295 Handle Bracket Assembly ( includes 16 - 21 ) 16 791 - 181811 Screw 17 791 - 181812 Upper Handle Clamp 31 18 791 - 181813 Middle Handle Clamp 19 791 - 181814 Lower Handle Clamp 20 791 - 181815 Nut 21 791 - 145569 Anti - Rotation Screw 32 22 791 - 181575 Grip 23 753 - 04161 Drive Shaft Housing Assembly 24 791 - 181577 Flexible Drive Shaft 31 25 791 - 182687 Wheel Bracket Assembly 26 791 - 182216 Wheel Spacer 27 791 - 180944 Wheel Assembly ( includes 26 ) 28 791 - 180288 Sleeve Retainer Bolt 29 791 - 147473 Tine Fastener Assembly 30 791 - 182729 Tine Assembly ( Left Outer or Right Inner ) 31 791 - 182730 Tine Assembly ( Left Inner or Right Outer ) 32 791 - 147474 Gear Box Assembly Issued 7 / 02