- Either original equipment in the Comet drive clutches or a popular replacement for trail riding or racing
- 102-C, 108-C and 108-EXP clutches all use the same basic cam arm
- 108 4-PRO clutches use FOUR cam arms. (To find the required cam arm weight, add the weight of three cam arms used in a 108-EXP or other three-post clutch, add 14%, then divide by FOUR. This will give you the required new cam arm weight.)
- When ordering cam arms for a 108 4-PRO clutch, you must order FOUR cam arms to get the correct weight
- Comet arm weight objective is within .75 grams of that listed. Certified weights would be significantly more expensive. The variance may occasionally exceed 2 grams and is a result of greater or lesser arm density.
Fixed Weight: 52 g
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2000-2001 | Ski-Doo | Formula 600 Deluxe | |
| 2001 | Ski-Doo | Formula 600 Deluxe GSE | |
| 1999 | Ski-Doo | Formula 670 Deluxe | |
| 1995-1999 | Ski-Doo | Formula III 600 | |
| 1996-1998 | Ski-Doo | Formula III 600 LT | |
| 1995-1996 | Ski-Doo | Formula SS | |
| 1998-1999 | Ski-Doo | Formula Z 670 | |
| 1998-2000 | Ski-Doo | Grand Touring 700 | |
| 2002 | Ski-Doo | Grand Touring 700 GS | |
| 2004 | Ski-Doo | GSX 800 Limited HO | |
| 2002 | Ski-Doo | Legend 700 GS | |
| 2002 | Ski-Doo | Legend 700 Sport | |
| 1998-2001 | Ski-Doo | MXZ 500 | |
| 2003 | Ski-Doo | MXZ 500 Adrenaline | |
| 2001-2003 | Ski-Doo | MXZ 500 Trail | |
| 2002 | Ski-Doo | MXZ 500R Sport | |
| 2004 | Ski-Doo | MXZ 500SS Adrenaline | |
| 2004 | Ski-Doo | MXZ 500SS Trail | |
| 2007 | Ski-Doo | MXZ 500SS Trail | |
| 1999-2001 | Ski-Doo | MXZ 600 | |
| 2009 | Ski-Doo | MXZ 600 50th Anniversary HO E-TEC | |
| 2001-2002 | Ski-Doo | MXZ 600 Adrenaline | |
| 2003-2006 | Ski-Doo | MXZ 600 Adrenaline HO | |
| 2009-2010 | Ski-Doo | MXZ 600 Adrenaline HO E-TEC | |
| 2008 | Ski-Doo | MXZ 600 Adrenaline HO SDI | |
| 2002 | Ski-Doo | MXZ 600 Renegade | |
| 2003-2005 | Ski-Doo | MXZ 600 Renegade HO | |
| 2009 | Ski-Doo | MXZ 600 Renegade HO E-TEC | |
| 2008 | Ski-Doo | MXZ 600 Renegade HO SDI | |
| 2004-2005 | Ski-Doo | MXZ 600 Renegade X | |
| 2009 | Ski-Doo | MXZ 600 Renegade X E-TEC | |
| 2006 | Ski-Doo | MXZ 600 Renegade X HO SDI | |
| 2008 | Ski-Doo | MXZ 600 Renegade X HO SDI | |
| 2003 | Ski-Doo | MXZ 600 Sport HO | |
| 2009 | Ski-Doo | MXZ 600 TNT HO E-TEC | |
| 2004-2005 | Ski-Doo | MXZ 600 Trail HO | |
| 2002 | Ski-Doo | MXZ 600R Sport | |
| 2008 | Ski-Doo | MXZ 600RS | |
| 1997-1999 | Ski-Doo | MXZ 670 | |
| 2002 | Ski-Doo | MXZ 700 Adrenaline | |
| 2002 | Ski-Doo | MXZ 700 Renegade | |
| 2001-2002 | Ski-Doo | MXZ 700 Trail | |
| 2002 | Ski-Doo | MXZ 700R Sport | |
| 2001-2002 | Ski-Doo | MXZ X 600 | |
| 2004 | Ski-Doo | MXZ X 600 | |
| 2003 | Ski-Doo | MXZ X 600 HO | |
| 2009-2010 | Ski-Doo | MXZ X 600 HO E-TEC | |
| 2008 | Ski-Doo | MXZ X 600 HO SDI | |
| 2002 | Ski-Doo | MXZ X 700 | |
| 2010 | Ski-Doo | MXZ XRS 600 HO E-TEC | |
| 1998-2000 | Ski-Doo | Skandic WT LC | |
| 1995-1998 | Ski-Doo | Summit 670 | |
| 2000 | Ski-Doo | Summit 700 | |
| 1997-2000 | Ski-Doo | Touring LE | |
| 1997-2002 | Yamaha | Mountain Max 600 MM600 | |
| 1997-2003 | Yamaha | Mountain Max 700 MM700 | |
| 1998-1999 | Yamaha | SRX600 | |
| 2005-2006 | Yamaha | SX Venom ER SXV60ER | |
| 2005-2006 | Yamaha | SX Venom SXV60 | |
| 2002-2004 | Yamaha | SX Viper ER SXV700ER | |
| 2003-2006 | Yamaha | SX Viper Mountain SXV70MH | |
| 2002-2003 | Yamaha | SX Viper SXV700 | |
| 2000-2001 | Yamaha | SX500R | |
| 2000-2003 | Yamaha | SX600R | |
| 2000-2001 | Yamaha | SX700R | |
| 2000-2001 | Yamaha | Venture 500 VT500 | |
| 1999-2001 | Yamaha | Venture 500 XL VT500XL | |
| 1997-2006 | Yamaha | Venture 600 VT600 | |
| 1994-1996 | Yamaha | VMAX 500 DX VX500DX | |
| 1994-1996 | Yamaha | VMAX 500 LE VX500E | |
| 1994 | Yamaha | VMAX 500 ST VX500ST | |
| 1999 | Yamaha | VMAX 500 SX VX500SX | |
| 1994-2001 | Yamaha | VMAX 500 VX500 | |
| 2000-2001 | Yamaha | VMAX 500 VX500DX Deluxe | |
| 1997-1998 | Yamaha | VMAX 500 XT VX500XT | |
| 1996 | Yamaha | VMAX 500 XT VX500XTW Proaction Plus | |
| 1997-1998 | Yamaha | VMAX 500 XTC VX500XTC | |
| 1998 | Yamaha | VMAX 500 XTC VX500XTCD Deluxe | |
| 1994-1996 | Yamaha | VMAX 600 DX VX600DX | |
| 2002-2003 | Yamaha | VMAX 600 ER VX600ER | |
| 1994-1996 | Yamaha | VMAX 600 LE VX600E | |
| 1996 | Yamaha | VMAX 600 Mountain Max VX600ST | |
| 1994-1995 | Yamaha | VMAX 600 ST VX600ST | |
| 1997-1999 | Yamaha | VMAX 600 SX VX600SX | |
| 1994-1996 | Yamaha | VMAX 600 VX600 | |
| 1999 | Yamaha | VMAX 600 VX600 | |
| 2000-2001 | Yamaha | VMAX 600 VX600DX Deluxe | |
| 1997-1998 | Yamaha | VMAX 600 XT VX600XT | |
| 1996 | Yamaha | VMAX 600 XT VX600XTW Proaction Plus | |
| 1997-1998 | Yamaha | VMAX 600 XTC VX600XTC | |
| 1997 | Yamaha | VMAX 600 XTC VX600XTC Reverse | |
| 1998 | Yamaha | VMAX 600 XTCD VX600XTC Deluxe | |
| 2002 | Yamaha | VMAX 700 ER VX700ER | |
| 1997-1999 | Yamaha | VMAX 700 SX VX700SX | |
| 1999-2000 | Yamaha | VMAX 700 VX700 | |
| 1999-2001 | Yamaha | VMAX 700 VX700DX Deluxe | |
| 1998 | Yamaha | VMAX 700 XTCD VX700XTC Deluxe | |