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2001 MARS SERVICE MANUAL
I. ANSWER PRECISION SUSPENSION
THANK YOU FOR CHOOSING THE HIGHEST TECHNOLOGY MOUNTAIN BIKE SUSPENSION FORK AVAIL-
ABLE. 2001 MARS FORK MODELS HAVE STATE OF THE ART AIR SPRING SYSTEMS. THE MARS SERIES
ALL USE THE TWIN PISTON CHAMBER SYSTEM (TPC) THAT SURPASS ALL OTHER TYPES OF OIL DAMPED
SYSTEM IN PERFORMANCE AND DURABILITY.
Your 2001 MARS Fork is fully assembled and ready to for installation onto your bicycle and comes
equipped with a 1 1/8 threadless steerer tube. All MARS forks come in two versions: standard and
No-Boss. The standard version has mounts for both V-brakes and disc brakes. The No-Boss version
has the cantilever brake boss removed and is for disk brake use only.
II. CONSUMER SAFETY INFORMATION
GENERAL WARNING: Bicycling is a hazardous activity that requires that the rider stay in
control of his or her bicycle at all times. Reading this manual entirely and properly main-
taining your bicycle and suspension fork will reduce the possibility of injury or possible
death. Prior to riding your bicycle, you should inspect your suspension fork to ensure that
no damage has occurred during the course of riding. Do not ride your bicycle if the fork
shows any signs of bending, cracking, leaking, or if it is missing any of the originally supplied
components. Any fall from your bicycle can result in serious injury or even death.
Following these instruction can help you reduce the risk of being injured.
If you are a moderate or aggressive off-road rider, or ride at least three times a week over
rough terrain, Answer recommends returning your suspension fork every 2 years for a
through inspection and update. Take your fork to a Manitou authorized dealer who can
arrange for shipment to Answer Products, or you may call Answer to have your fork shipped
directly at (661) 257-4411.
IMPORTANT: The 2001 MARS fork is for off road use only and as such, does not come with the
reflectors for on road use.
1 Never remove or have the steerer tube or stanchions (inner legs) removed from the crown.
The steerer tube and stanchions are press fit assembled at the factory. Pressing them out will
permanently damage the crown, steerer tube, and stanchions beyond repair and render them
unsafe for any continued use.
2 Never attempt to thread a threadless steerer tube. Machining threads will weaken the steerer
tube and create an unsafe condition. The only safe thing to do is obtain the proper
crown/steerer from your dealer.

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Summary of Contents for Manitou 2001 MARS

  • Page 1 Answer Products, or you may call Answer to have your fork shipped directly at (661) 257-4411. IMPORTANT: The 2001 MARS fork is for off road use only and as such, does not come with the reflectors for on road use.
  • Page 2 Products Technical Support prior to modifying your fork in any way for safety information. 4 Do not use any Manitou fork if any part appears to be broken, bent, cracked, or damaged. Contact your dealer or Answer Products Technical Support, (661) 257-4411, if you have any questions concerning the integrity, condition, or safe operation of your fork.
  • Page 3: Lower

    1 Remove old fork from bicycle. 2 Measure and cut the steerer tube to fit your bicycle head tube. 3 Remove crown race from old fork and press onto 2001 MARS steerer until seated on crown. See Figure 1. 4 Clean and grease headset bearing and crown races.
  • Page 4: Left Leg

    Air/coil spring rate tuning All 2001 MARS forks use a combination of air and a coil spring. The air spring is adjustable via a Schraeder valve located on top of the left leg. See Figure 3. The positive coil spring can also be switched with stiffer or softer versions to accommodate for different rider styles and terrain.
  • Page 5: Mrd Tuning Manual

    A small amount of oil seems to be leaking from top of the right leg at the adjuster cap: If you store the 2001 MARS Fork upside down for a extended period of time a small amount of oil may leak through the adjuster cap / knob assembly. The cap area is not subjected to damping pressure under normal use.
  • Page 6: Upper

    VII. MAINTENANCE IMPORTANT: The 2001 MARS should not be used if any parts appear to be, or are damaged. Contact your local dealer or Answer Products for replacement parts. IMPORTANT: Use of fork boots is recommended to keep your MARS fork performing at it’s optimum for extended service cycles, and maintaining maximum life of fork.
  • Page 7 2 Inspect the lower and upper bushing for damage to the Teflon coating. Replace by calling Answer Products or an authorized Manitou dealer. 3 Check the outer leg/arch assembly for nicks or deep gouges on outside and inside. Replace if damaged.
  • Page 8: Air Piston

    COMPRESSION STACK, BOOTS, & COMPRESSION ROD REMOVAL: 1 Remove outer leg assembly. 2 Slide fork boots off of inner legs. 3 Press the bottom clip off the compression rod. 4 Slide off the bottom out elastomer from left leg compression rod. 5 Using a 15/16 wrench or socket unscrew the left inner leg cap.
  • Page 9 Note: Steps 4-8 apply to MARS Elite and MARS Super only. 4. Remove the clear plastic detent sleeve and capture the 1/8 dia. detent ball. 5. Adjuster needle may be unscrewed from the shaft. 6. Remove the retaining ring then slide off the cup washer, & bottom out bumper. Do not remove the threaded plastic end cap at this time.
  • Page 10 COMPRESSION DAMPER DISASSEMBLY: MARS Elite 1. The compression damping assembly is almost identical to the lower shaft assembly. Remove compression damping assembly from top of right leg. 2. Unscrew the compression damping adjuster all the way until it stops. The knob and the nee- dle do not need to be removed.
  • Page 11 MARS, MARS ELITE & MARS SUPER AIR CAP/PISTON ASSEMBLY 85-3033 MRD TUNING MANUAL 85-3696 MICROLUBE TUBE/GREASE GUN 85-3810 FORK PUMP 85-4069 ANTI-BOB KIT 85-4062 ANTI-BOB SEAL KIT 85-3686 28209 AVENUE STANFORD • VALENCIA, CA 91355 (661) 257-4411 • www.answerproducts.com 2001 MARS SERVICE MANUAL P/N 85-3694...
  • Page 12 2001 MARS FORK SCHEMATIC BUSHING & SEAL DETAIL FORK BOOT (063249) TPC SPORT TPC SPORT COMPRESSION LOWER SHAFT ASSEMBLY DAMPING ASSEMBLY (062993) (062934) TPC REBOUND PISTON (062670) JELLY BEAN (063186) SEAL/WIPER (062972) SELF TAPPING SCREW (041330) .372 X .900 X .005 SHIM (062300)
  • Page 13: Table Of Contents

    BUSHING & SEAL DETAIL 2001 MARS ELITE FORK SCHEMATIC FORK BOOT (063249) TPC LOWER SHAFT ASSEMBLY TPC COMPRESSION DAMPING (062929) ASSEMBLY (063111) VALVE NUT (041483) 13mm CLAMP SHIM (041157) JELLY BEAN (062578) REBOUND SHIM 20mm (041149) SELF TAPPING SCREW (041330)
  • Page 14: Clamp Shim

    2001 MARS SUPER FORK SCHEMATIC BUSHING & SEAL DETAIL TPC LOWER SHAFT ASSEMBLY ANTI-BOB FORK BOOT (063249) (062929) TPC COMPRESSION DAMPING ASSEMBLY (062500) VALVE NUT (041483) 13mm CLAMP SHIM (041157) JELLY BEAN (062585) REBOUND SHIM 20mm (041149) SELF TAPPING SCREW (041330)
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