Central Hobbies

Orders Only: 1-800-723-5937           Information: 1-406-259-9004
Hours: Mon - Sat 10-6 MST

 
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Central Hobbies
1401 Central Avenue
Billings, MT 59102

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Exploded View of the YS 120-AC engine:

Chart#: 0    Part#: YSE0860
Description: Rocker Arm Assembly w/ addjusters
Pkg Qty: 2    Price: $52.95

Qty Desired:   Add to Cart
Chart#: 0    Part#: YSE0405
Description: Check Valve
Pkg Qty: 1    Price: $9.95

Qty Desired:     Out of Stock
Chart#: 0    Part#: YSE2720
Description: Drive Washer Retainer for use with YSE2715 Prop Drive Washer only
Pkg Qty: 1    Price: $5.95

Qty Desired:   Add to Cart
Chart#: 0    Part#: YSE2715
Description: Replacement Prop Drive Washer. Replaces old part YSE0815. Must be used with YSE2720 retainer
Pkg Qty: 1    Price: $21.95

Qty Desired:   Add to Cart
Chart#: 0    Part#: YSE0905
Description: O-Ring Set
Pkg Qty: 1    Price: $19.95

Qty Desired:     Out of Stock
Chart#: 0    Part#: YSE1550
Description: Carburetor Assembly
Pkg Qty: 1    Price: $149.75

Qty Desired:   Add to Cart
Chart#: 0    Part#: YSE0900
Description: Gasket Set
Pkg Qty: 1    Price: $15.95

Qty Desired:   Add to Cart
Chart#: 1    Part#: YSE1400
Description: Crankcase
Pkg Qty: 1    Price: $144.95

Qty Desired:   Add to Cart
Chart#: 2    Part#: YSE0505
Description: Valve Cover
Pkg Qty: 1    Price: $17.95

Qty Desired:   Add to Cart
Chart#: 3    Part#: YSE0510
Description: Valve Cover Gasket (Also included in gasket set)
Pkg Qty: 1    Price: $3.50

Qty Desired:     Out of Stock
Chart#: 4    Part#: YSE0515
Description: Valve Cover Screws
Pkg Qty: 2    Price: $3.50

Qty Desired:   Add to Cart
Chart#: 5    Part#: YSE0520
Description: Head Gasket
Pkg Qty: 1    Price: $3.50

Qty Desired:   Add to Cart
Chart#: 6    Part#: YSE2300
Description: Cylinder Head Assembly
Pkg Qty: 1    Price: $139.95

Qty Desired:   Add to Cart
Chart#: 9    Part#: YSE0540
Description: Valve Spring Set
Pkg Qty: 2    Price: $7.95

Qty Desired:   Add to Cart
Chart#: 10    Part#: YSE0545
Description: Spring Retainer Set
Pkg Qty: 2    Price: $7.95

Qty Desired:   Add to Cart
Chart#: 11    Part#: YSE0550
Description: C-Rings
Pkg Qty: 2    Price: $3.50

Qty Desired:   Add to Cart
Chart#: 12    Part#: YSE0555
Description: Rocker Arm Set
Pkg Qty: 2    Price: $39.95

Qty Desired:   Add to Cart
Chart#: 13    Part#: YSE0560
Description: Tappet Adjusting Screw Set
Pkg Qty: 2    Price: $7.00

Qty Desired:   Add to Cart
Chart#: 14    Part#: YSE0565
Description: Valve Adjuster Nut Set
Pkg Qty: 2    Price: $3.95

Qty Desired:   Add to Cart
Chart#: 15    Part#: YSE0570
Description: Rocker Arm Shaft
Pkg Qty: 1    Price: $6.95

Qty Desired:     Out of Stock
Chart#: 16    Part#: YSE0575
Description: Rocker Arm Shaft Screw
Pkg Qty: 1    Price: $1.50

Qty Desired:   Add to Cart
Chart#: 17    Part#: YSE0580
Description: E-Ring Set
Pkg Qty: 2    Price: $3.50

Qty Desired:   Add to Cart
Chart#: 18    Part#: YSE0585
Description: Head Screws
Pkg Qty: 5    Price: $5.95

Qty Desired:   Add to Cart
Chart#: 19    Part#: YSE1420
Description: Crankshaft
Pkg Qty: 1    Price: $79.95

Qty Desired:   Add to Cart
Chart#: 20    Part#: YSE0595
Description: Cylinder Liner
Pkg Qty: 1    Price: $59.95

Qty Desired:   Add to Cart
Chart#: 21    Part#: YSE0600
Description: Piston
Pkg Qty: 1    Price: $54.95

Qty Desired:   Add to Cart
Chart#: 22    Part#: YSE0605
Description: Wrist Pin
Pkg Qty: 1    Price: $9.95

Qty Desired:   Add to Cart
Chart#: 23    Part#: YSE0610
Description: Wrist Pin Retainer
Pkg Qty: 2    Price: $7.95

Qty Desired:   Add to Cart
Chart#: 24    Part#: YSE0615
Description: Piston Ring
Pkg Qty: 1    Price: $21.95

Qty Desired:   Add to Cart
Chart#: 25    Part#: YSE0620
Description: Connecting Rod
Pkg Qty: 1    Price: $30.75

Qty Desired:   Add to Cart
Chart#: 26    Part#: YSE1440
Description: Back Plate Assembly Set -- No Longer Available --
Pkg Qty: 1    Price: $0.00

Qty Desired:     Out of Stock
Chart#: 31    Part#: YSE0650
Description: Back Plate Screws
Pkg Qty: 6    Price: $5.95

Qty Desired:   Add to Cart
Chart#: 32    Part#: YSE2230
Description: Cam Gear Cover
Pkg Qty: 1    Price: $6.95

Qty Desired:   Add to Cart
Chart#: 32    Part#: YSE0655
Description: Cam Gear Cover
Pkg Qty: 1    Price: $5.95

Qty Desired:     Out of Stock
Chart#: 33    Part#: YSE0660
Description: Cam Gear Cover O-Ring
Pkg Qty: 1    Price: $2.50

Qty Desired:   Add to Cart
Chart#: 34    Part#: YSE0665
Description: Cover Screw Set
Pkg Qty: 2    Price: $1.50

Qty Desired:   Add to Cart
Chart#: 35    Part#: YSE0670
Description: Cam Gear
Pkg Qty: 1    Price: $49.95

Qty Desired:     Out of Stock
Chart#: 36    Part#: YSE0675
Description: Cam Followers
Pkg Qty: 2    Price: $14.95

Qty Desired:   Add to Cart
Chart#: 37    Part#: YSE0680
Description: Push Rods
Pkg Qty: 2    Price: $15.95

Qty Desired:   Add to Cart
Chart#: 38    Part#: YSE0685
Description: Push Rod Covers
Pkg Qty: 2    Price: $9.95

Qty Desired:   Add to Cart
Chart#: 39    Part#: YSE0690
Description: Pushrod Cover O-Ring, Available in O-Ring set above
Pkg Qty: 0    Price: $0.00

Qty Desired:     Out of Stock
Chart#: 40    Part#: YSE0695
Description: Front Bearing
Pkg Qty: 1    Price: $18.95

Qty Desired:   Add to Cart
Chart#: 41    Part#: YSE0701
Description: Rear Bearing
Pkg Qty: 1    Price: $25.95

Qty Desired:   Add to Cart
Chart#: 42    Part#: YSE0705
Description: Cam Gear Bearings
Pkg Qty: 2    Price: $16.95

Qty Desired:     Out of Stock
Chart#: 43    Part#: YSE0710
Description: Fuel Nipples
Pkg Qty: 4    Price: $9.95

Qty Desired:   Add to Cart
Chart#: 44    Part#: YSE0715
Description: Regulator Body
Pkg Qty: 1    Price: $39.95

Qty Desired:   Add to Cart
Chart#: 45    Part#: YSE0195
Description: Regulator Adjusting Screw
Pkg Qty: 1    Price: $3.50

Qty Desired:     Out of Stock
Chart#: 46    Part#: YSE0725
Description: Regulator Adjusting Screw O-Ring
Pkg Qty: 1    Price: $1.95

Qty Desired:     Out of Stock
Chart#: 47    Part#: YSE0730
Description: Diaphram
Pkg Qty: 1    Price: $3.50

Qty Desired:     Out of Stock
Chart#: 48    Part#: YSE0176
Description: Plunger
Pkg Qty: 1    Price: $3.50

Qty Desired:   Add to Cart
Chart#: 49    Part#: YSE0180
Description: Plunger Spring
Pkg Qty: 1    Price: $3.50

Qty Desired:     Out of Stock
Chart#: 50    Part#: YSE0745
Description: Regulator Gasket for all YS 120's, FZ140, and FZ110 made after March of 2006
Pkg Qty: 1    Price: $3.50

Qty Desired:   Add to Cart
Chart#: 51    Part#: YSE0750
Description: Regulator Screws
Pkg Qty: 2    Price: $4.95

Qty Desired:   Add to Cart
Chart#: 53    Part#: YSE1460
Description: Throttle Barrel
Pkg Qty: 1    Price: $20.95

Qty Desired:     Out of Stock
Chart#: 54    Part#: YSE2740
Description: Needle Valve Assembly-Replaces older needle valve and seat in all 120's and 91's
Pkg Qty: 1    Price: $33.95

Qty Desired:     Out of Stock
Chart#: 56    Part#: YSE0775
Description: Needle Valve Socket O-Rings
Pkg Qty: 1    Price: $3.50

Qty Desired:   Add to Cart
Chart#: 57    Part#: YSE0385
Description: Needle Valve Spring Detent
Pkg Qty: 1    Price: $3.50

Qty Desired:   Add to Cart
Chart#: 58    Part#: YSE0785
Description: Throttle Stop Screw
Pkg Qty: 1    Price: $2.95

Qty Desired:   Add to Cart
Chart#: 59    Part#: YSE0790
Description: Throttle Stop Spring
Pkg Qty: 1    Price: $2.95

Qty Desired:   Add to Cart
Chart#: 60    Part#: YSE0200
Description: Throttle Arm
Pkg Qty: 2    Price: $6.95

Qty Desired:   Add to Cart
Chart#: 62    Part#: YSE0380
Description: Throttle Barrel Retainer
Pkg Qty: 1    Price: $2.95

Qty Desired:   Add to Cart
Chart#: 64    Part#: YSE0815
Description: Discontinued - can be replaced by YSE2715
Pkg Qty: 1    Price: $0.00

Qty Desired:     Out of Stock
Chart#: 66    Part#: YSE0825
Description: Propeller Washer
Pkg Qty: 1    Price: $4.75

Qty Desired:     Out of Stock
Chart#: 67    Part#: YSE6145
Description: Propeller Nut Set, replaces YSE0830
Pkg Qty: 2    Price: $11.95

Qty Desired:     Out of Stock
Chart#: 68    Part#: YSE0895
Description: Exhaust Pipe Assembly
Pkg Qty: 1    Price: $21.95

Qty Desired:     Out of Stock
Chart#: 69    Part#: YSE0840
Description: Air Chamber/Inlet Pipe O-Rings. Also available in O-Ring Set YSE0905.
Pkg Qty: 4    Price: $5.95

Qty Desired:   Add to Cart
Chart#: 70    Part#: YSE1470
Description: Crankshaft Rings
Pkg Qty: 2    Price: $44.95

Qty Desired:   Add to Cart
Chart#: 71    Part#: YSE1485
Description: Air Chamber Gasket (not included in gasket set!)
Pkg Qty: 1    Price: $7.95

Qty Desired:   Add to Cart
Chart#: 72    Part#: YSE1490
Description: Air Chamber Bracket
Pkg Qty: 1    Price: $4.75

Qty Desired:   Add to Cart
Chart#: 73    Part#: YSE1500
Description: Bracket Screws
Pkg Qty: 2    Price: $4.75

Qty Desired:     Out of Stock
Chart#: 74    Part#: YSE1510
Description: Air Chamber Fuel Nipple
Pkg Qty: 1    Price: $3.10

Qty Desired:   Add to Cart
Chart#: 75    Part#: YSE1520
Description: Check Valve Bracket
Pkg Qty: 1    Price: $6.25

Qty Desired:   Add to Cart
Chart#: 77    Part#: YSE1540
Description: Wrist Pin Access Plug
Pkg Qty: 1    Price: $5.95

Qty Desired:   Add to Cart