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Home > Engines and Accessories > Engines > Y.S. Engines > Y.S. 91SR

Y.S. 91SR

YS91SR - YS91SR HELI LONG STROKE Code: YS91SR Price: $342.99 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none	YS0490 - PROP NUT - 61ST 61ST2 80ST 91ST 91SR 91SR3DS Code: YS0490 Price: $1.25 MFG: Y.S. ENGINES 2 IN STOCK Quantity in Basket: none
YS1030 - WRIST PIN RETAINERS - 61ST 61ST2 80ST 91ST 91SR Code: YS1030 Price: $5.21 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none	YS1070 - BACK PLATE SCREWS - 61ST 61ST2 80ST 91ST 91SR 91SR3DS Code: YS1070 Price: $2.64 MFG: Y.S. ENGINES Sold out Quantity in Basket: none
YS1090 - THROTTLE BARREL RETAINER - 61ST 61ST2 80ST 91ST 91SR 91SR3DS Code: YS1090 Price: $2.58 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none	YS2385 - WRIST PIN - 61ST 61ST2 80ST 91ST 91SR 91SR3DS Code: YS2385 Price: $4.79 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none
YS2435 - CARBURETOR SCREWS - 61ST 61ST2 80ST 91ST 91SR 91SR3DS Code: YS2435 Price: $2.35 MFG: Y.S. ENGINES 3 IN STOCK Quantity in Basket: none	YS2445 - REGULATOR SUB PLATE - 61ST 91ST 91SR 91SR3DS Code: YS2445 Price: $8.95 MFG: Y.S. ENGINES 3 IN STOCK Quantity in Basket: none
YS2460 - DIAPHRAGM - All YS Heli engines. Click thumbnail for details. Code: YS2460 Price: $7.95 MFG: Y.S. ENGINES 9 IN STOCK Quantity in Basket: none	YS2475 - REGULATOR SCREWS - 61ST 91SR 91SR3DS Code: YS2475 Price: $2.92 MFG: Y.S. ENGINES Sold out Quantity in Basket: none
YS2480 - REGULATOR GASKET - 61ST 61ST2 80ST 91ST 91SR 91SR3DS Code: YS2480 Price: $2.46 MFG: Y.S. ENGINES Sold out Quantity in Basket: none	YS2510 - CHECK VALVE - 50ST 56SR 61ST 61ST2 80ST 91ST 91SR 91SR3DS Code: YS2510 Price: $8.75 MFG: Y.S. ENGINES 8 IN STOCK Quantity in Basket: none
YS2695 - NEEDLE O RING - 50ST 56SR 61ST2 80ST 91ST 91SR 91SR3DS Code: YS2695 Price: $2.92 MFG: Y.S. ENGINES 2 IN STOCK Quantity in Basket: none	YS2700 - NEEDLE SEAT - 61ST2 80ST 91ST 91SR 91SR3DS Code: YS2700 Price: $7.87 MFG: Y.S. ENGINES Sold out Quantity in Basket: none
YS2705 - NEEDLE SEAT O RING - 61ST2 80ST 91ST 91SR 91SR3DS Code: YS2705 Price: $2.92 MFG: Y.S. ENGINES 2 IN STOCK Quantity in Basket: none	YS2710 - NEEDLE DETENT - 50ST 56SR 61ST2 80ST 91ST 91SR 91SR3DS Code: YS2710 Price: $4.12 MFG: Y.S. ENGINES 2 IN STOCK Quantity in Basket: none
YS4140 - HIGH SPEED NEEDLE - 61ST2 91SR 91SR3DS Code: YS4140 Price: $8.31 MFG: Y.S. ENGINES Sold out Quantity in Basket: none	YS4150 - LOW SPEED NEEDLE O RING - 50ST 56SR 61ST2 80ST 91ST 91SR 91SR3DS Code: YS4150 Price: $2.71 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none
YS4155 - REGULATOR ASSEMBLY - 61ST 61ST2 91ST 91SR 91SR3DS Code: YS4155 Price: $46.61 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none	YS4480 - NEEDLE VALVE ASSEMBLY - 80ST 91ST 91SR 91SR3DS Code: YS4480 Price: $28.95 MFG: Y.S. ENGINES 2 IN STOCK Quantity in Basket: none
YS4485 - NEEDLE VALVE - 80ST 91ST 91SR 91SR3DS Code: YS4485 Price: $10.79 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none	YS4785 - HEAD SCREWS - 91ST 91SR 91SR3DS Code: YS4785 Price: $2.58 MFG: Y.S. ENGINES Sold out Quantity in Basket: none
YS4805 - CONNECTING ROD - 91ST 91SR 91SR3DS Code: YS4805 Price: $18.74 MFG: Y.S. ENGINES Sold out Quantity in Basket: none	YS4830 - CARBURETOR GASKET - 91ST 91SR 91SR3DS Code: YS4830 Price: $3.10 MFG: Y.S. ENGINES 3 IN STOCK Quantity in Basket: none
YS4845 - LOW SPEED NEEDLE - 50ST 56SR 91ST 91SR 91SR3DS Code: YS4845 Price: $10.25 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none	YS4850 - CARBURETOR SUBPLATE.... - 91ST 91SR 91SR3DS Code: YS4850 Price: $15.62 MFG: Y.S. ENGINES 2 IN STOCK Quantity in Basket: none
YS5243 - SPACER - 50ST 56SR 91SR 91SR3DS Code: YS5243 Price: $2.58 MFG: Y.S. ENGINES Sold out Quantity in Basket: none	YS5820 - CRANKCASE - 91SR Code: YS5820 Price: $105.75 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none
YS5825 - CYLINDER HEAD - 91SR Code: YS5825 Price: $44.11 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none	YS5830 - HEAD SHIM - 91SR 91SR3DS Code: YS5830 Price: $2.92 MFG: Y.S. ENGINES Sold out Quantity in Basket: none
YS5835 - PISTON AND LINER SET - 91SR Code: YS5835 Price: $108.25 MFG: Y.S. ENGINES Sold out Quantity in Basket: none	YS5840 - CYLINDER LINER - 91SR Code: YS5840 Price: $62.43 MFG: Y.S. ENGINES 4 IN STOCK Quantity in Basket: none
YS5850 - PISTON RING - 91SR 91SR3DS Code: YS5850 Price: $19.95 MFG: Y.S. ENGINES 2 IN STOCK Quantity in Basket: none	YS5855 - CRANKSHAFT - 91SR Code: YS5855 Price: $54.10 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none
YS5860 - REAR BEARING - 91SR 91SR3DS Code: YS5860 Price: $19.12 MFG: Y.S. ENGINES Sold out Quantity in Basket: none	YS5865 - BACK PLATE - 91SR 91SR3DS Code: YS5865 Price: $8.29 MFG: Y.S. ENGINES 2 IN STOCK Quantity in Basket: none
YS5870 - BACK PLATE O-RING - 91SR 91SR3DS Code: YS5870 Price: $2.92 MFG: Y.S. ENGINES 3 IN STOCK Quantity in Basket: none	YS5875 - CARBURETOR ASSEMBLY - 91SR 91SR3DS Code: YS5875 Price: $108.25 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none
YS5880 - CARBURETOR BODY - 91SR 91SR3DS Code: YS5880 Price: $42.35 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none	YS5885 - THROTTLE BARREL - 91SR 91SR3DS Code: YS5885 Price: $19.58 MFG: Y.S. ENGINES 2 IN STOCK Quantity in Basket: none
YS5890 - GASKET SET - 91SR 91SR3DS Code: YS5890 Price: $8.29 MFG: Y.S. ENGINES 4 IN STOCK Quantity in Basket: none	YS5895 - O-RING SET - 91SR 91SR3DS Code: YS5895 Price: $24.95 MFG: Y.S. ENGINES 7 IN STOCK Quantity in Basket: none
YS5845 - PISTON Code: YS5845 Price: $38.21 MFG: Y.S. ENGINES 1 IN STOCK Quantity in Basket: none	YS0200 - THROTTLE ARM WITH SCREW Code: YS0200 Price: $4.68 MFG: Y.S. ENGINES Sold out Quantity in Basket: none
YS1050 - FRONT BEARING Code: YS1050 Price: $11.86 MFG: Y.S. ENGINES Sold out Quantity in Basket: none