BOLD MAGENTA part numbers are new for 2025 DRIVETRAIN PARTS-UNLIMITED.COM SNOW | 2025 DRIVETRAIN 465 BORE-DEPTH ENGAGEMENT RPM-BELT WIDTH ACTIVATOR PUCKS SPRING-COLOR FITS MODEL PART # 30mm tapered - flush1 3100 - 1 3/16” - 1 1/4” 2059185 205583 - Orange Most popular size and calibration for most snowmobile engines2, 3 206094 30mm tapered - flush1 3100 - 1 3/16” - 1 1/4” 2114775 205583 - Orange Ribbed cover – most popular size and calib. for most snowmobile engines8 211493 30mm deep - tapered -.812” 3100 - 1 3/8” 2059185 205583 - Orange Specifically for Polaris “long” crankshafts that extend into the clutch approx. 2”; 72 to present4 206096 30mm tapered - .250” 3100 - 1 5/64” - 1 1/4” 2059185 212631 - Red Specifically for Yamaha oil-injected twins 74 to present; most Enticer, Excell III, Exciter and GP models5 212629 3/4” - 16 threaded 3000 - 1 3/16” 2059185 205858 - Pink Specifically for Moto-Ski and Ski-Doo Rotax singles and low performance twins 65-89; Elan, Olympic, Spirit and more6 206097 7/8” - 14 threaded 4000 - 1 3/16” 2059185 205847 - Blue Specifically for Moto-Ski and Ski-Doo Rotax twins and high-performance singles 68-75 and Alpine 640 thru 827 206098 1” straight,1/4” keyway 2100 - 1 3/16” 2065145 205858 - Pink Specifically for 4-cycle Tecumseh, Kohler, Briggs & Stratton engines, etc.; also early Ski-Daddler and Sno Pony 206095 1 A flush bore depth indicates the taper begins exactly at the inner edge of the fixed face casting. Positive (+) numbers indicate the taper starts the specified distance into the casting; negative (-) numbers indicate the taper begins in an extension out of the fixed face casting. See illustration on page 463. 2 Comet Duster PART #206094 fits the majority of all snowmobile crankshafts not specifically listed above and which do not use an oil pump gear or ring gear on the back of the clutch. Included are most BSE, CCW, Fuji, Hirth, JLO, Kawasaki, Kiekhaefer, Kohler, Mercury, Rotax, Sachs, Suzuki, Spirit,Tohatsu and Xenoah engines. Belt spacer kits are available for wider belts.Also adapts to 25mm tapered shafts with adapter PART #204799. 3 To use this clutch with 1 1/4” belt, order Belt Spacer Kit PART #205828; to use 1 5/16” belt order Belt Spacer Kit PART #205829; to use 1 3/8” belt order Belt Spacer Kit PART #205830. 4 This crankshaft PTO size is sometimes referred to as 32mm to distinguish it from standard 30mm PTO shafts which extend into the clutch bore approximately 1 1/4”.The 1:10 taper is the same, however. Clutch diameter is 7 1/4”, which is smaller than the Polaris-built models it replaces. 5 Application is limited to twin cylinder models with an oil pump gear attached to the back side of the clutch.Will not fit GP433 1974-75 or GP440 1976. 6 Fits older singles and twins plus Elan 247 Type singles 1971-90 and Spirit 1976-83. Original fixed half clutch shaft is round and measures 1” OD. 7 Original equipment fixed half clutch shafts thru 1974 are round and measure 1 1/8” OD 1975-82 models have a square fixed half clutch shaft. For 1 5/16” belt width models such as Alpine 640 1976-82, order belt spacer kit, PART #205829. 8 Ribbed cover is for improved cooling on hard-use applications. Fits the same applications as clutch PART #206094. COMET 94-C DUSTER PRIMARY (DRIVE) CLUTCHES •Simple design and outstanding durability have been the key to 94-C Duster’s high popularity in the snowmobile aftermarket •Outperforms clutches costing twice as much •Easy to install and calibrate •A few plastic pucks and a spring control all the operating characteristics •Super-durable; will probably outlast the snowmobile •Seven sizes fit almost all snowmobiles, plus two for other uses •Every Duster comes with a mounting bolt and cover puller bolt PARTS LIST PART # 205918 PART # 206143 PART # 206514 SPRING ENGAGEMENT RPM CHART ACTIVATOR PUCK PART # QTY. COLLECTIVE PUCK MASS USE THESE SPRINGS WITH 94-C DUSTER #206094 AND WITH #206096 MFD.AFTER 12/01/78 SPRING #205819 SPRING #205821 SPRING #205583 SPRING #205818 SPRING #205820 USE WITH 94-C DUSTER #206095, #206097, #206098 AND WITH #206096 MFD. FROM 12/15/77 TO 12/01/78 SPRING # 205858 SPRING #205857 SPRING # 205847 205918 6 153 grams @2700rpm @3100rpm @3100rpm @3200rpm @3900rpm @3000rpm @3500rpm @4000rpm 206143 6 120 grams @3300rpm @3600rpm @3600rpm @4000rpm @4600rpm @3200rpm @3700rpm @4400rpm 206514 3 160.5 grams @2700rpm @3100rpm @3100rpm @3200rpm @3900rpm - - - 206514 6 321 grams - - - - - @2100rpm @2600rpm @3400rpm DUSTER PARTS AND ACCESSORIES FREQUENTLY USED ENGAGEMENT RPM TENSION (LB.) COLOR PART # 43 Pink 205858 66 Green 205819 74 Orange 205583 74 Red 212631 TENSION (LB.) COLOR PART # 85 Black 205857 86 Yellow 205818 99 White 205820 99 Blue 205847 SPRINGS •Tension noted is when compressed to a height of 2 5/16” 205858 205847 WEIGHT EA. (GRAMS) SHAPE/STYLE CLUTCH DESCRIPTION PART # 20.0 Pentagon w/ .75” hole 206143 25.5 Pentagon/solid 205918 53.5 Pentagon w/ steel insert - blue 206514 RIBBED COVER 20.0 Pentagon w/ .75” hole 212029 25.5 Pentagon/solid 211477 53.5 Pentagon w/ steel insert 211482 PUCKS SOLD IN SETS OF THREE
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