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Owners Manual

Öhlins Superbike Front Fork FG 670

Summary of Contents for FG 670

Page 1: ...Owners Manual hlins Superbike Front Fork FG 670...

Page 2: ...ehicle manufacturer may affect the stability of your vehicle hlins Racing AB cannot be held responsible for any personal injury or damage whatsoever that may occur after fitting the suspension Contact...

Page 3: ...orks NOTE Gas pressure should not be changed or used as an alternative to adjust the damp ing For better understanding please refer to our oil level chart see page 17 A telescopic front fork is depend...

Page 4: ...Adjust the rebound damping on the adjust ment screw positioned at the top centre of the right hand fork leg Use a hex key with a spherical head use tool 794 01 Adjustment range from closed valve clock...

Page 5: ...Proceed as follows it will be much easier if done by two persons 1 Place the motorcycle on a stand 2 Lift up the rear end to a fully extended upper position 3 Measure the distance e g from the ower e...

Page 6: ...care fully pull out the preload tube 6 Check the oil level according to page 17 NOTE Use hlins Front fork oil 1311 01 only 7 Refit the Pre load tube Install the new spring and refit the adjustment dri...

Page 7: ...must be replaced 6 First remove the circlip then the seal and finally the washer 7 Apply a thin layer of hlins red grease 146 01 to the washer and to the sealing surfaces of the fork seal Install the...

Page 8: ...shaft Use a 14 mm wrench to the top and a 19 mm wrench to hold the nut on the lower side of the top nut 6 Remove the adjustment driver and the spring Use a wire with a hook and care fully pull out th...

Page 9: ...iston rod unit 12 Fasten the piston rod in a vice Use soft jaws 727 02 Remove the nut with a 13 mm wrench or socket Remove the valve from the piston rod Place all parts including the shims in their co...

Page 10: ...ton in the reservoir use tool 720 02 19 Drain the reservoir from oil 20 Use a 17 mm wrench to unscrew the complete compression valve at the bottom of the fork 21 Remove the piston from the compres sio...

Page 11: ...pushing them out Use attach ment bar 1757 01 and dismantling sleeve 1759 07 from the top nut side 26 Tap gently on the attachment bar with a heavy hammer until the bushings are free and can be release...

Page 12: ...talled the same way Apply some red grease 146 01 to the bushing before installation 5 Apply a thin layer of hlins red grease 146 01 to the washer and to the sealing surfaces of the fork seal Install t...

Page 13: ...ck over the circlip groove make sure that there is no air between the piston and the oil Use tool 720 02 Close the compression adjuster 9 WARNING 8 7 Tool 720 02 13 1675 01 Nut 1674 01 Washer Clamp Co...

Page 14: ...the piston rod from tape Mount Spacer Sleeve Top out spring and the Piston holder 12 Tighten the Piston holder to a torque of 15 Nm 13 Refit the Compression Rebound valve Use the picture below to mak...

Page 15: ...n tool 1765 03 to keep the contraction Assemble the complete piston rod into the cartridge tube and tight it by hand 3 4 turns NOTE Make sure that the gas piston is pressed down completely 15 Tighten...

Page 16: ...797 04 to release the top out spring 21 Push tool 1765 03 to a stop and check the oil level according to page 17 NOTE Use hlins Front fork oil 1311 01 only 22 Refit the Pre load tube Install the sprin...

Page 17: ...f the travel is lessened and thus the front fork less progressive The oil level works most efficient at the end of the fork travel Air spring characteristics shown is a general card description to un...

Page 18: ...the oil level is too high Lower the oil level If the fork is bottoming put in harder springs and keep the oil level 3 The front end feels unpredictable and un safe in the middle of the corner between...

Page 19: ...commended range of adjustment with this setting is 6 16 clicks open from fully closed position Compression damping adjustment As said earlier the compression damp ing on this Front fork FG 570 has bee...

Page 20: ...lains about lack of tire feel you can improve this by closing the top left compression adjuster 2 3 clicks since these adjustments will give a quicker response This could also improve the rider s init...

Page 21: ...Notes 21...

Page 22: ...ad adjustment 0 18 mm 0 18 turns Spring rate 4744 95 9 5 N mm marking 95 Optional springs supplied 4744 10 10 0 N mm marking 10 4744 90 9 0 N mm marking 90 Optional springs 4744 85 8 5 N mm marking 85...

Page 23: ...27 1 Compression valve LH See page 25 28 1 Rebound valve RH See page 25 29 01656 02 2 Cylinder tube 30 00338 72 2 O ring 31 01700 01 2 Fork leg inner 32 01565 04 1 Stroke indicator 33 00338 63 1 O rin...

Page 24: ...t 18 01674 01 2 Washer 19 2 Clamp compression See spec card 20 Shim stack See spec card 21 01670 01 2 Piston compression 22 00338 11 2 O ring 23 00530 22 2 Shims 24 01693 01 2 Spring 25 01669 01 2 Sle...

Page 25: ...s Part No Pcs Description Type remarks Spare parts list Compression valve LH 3 Compression valve 2 1 4 5 6 7 8 9 10 11 13 Rebound valve 14 01654 09 1 Piston holder 15 1 Washer See spec card 16 Shim st...

Page 26: ...1 1 Attachment bar 7 01759 07 1 Dismantling bar 8 01759 08 1 Installing sleeve 9 01758 04 1 Guide ring 10 00720 02 1 Measure pin 11 00720 03 1 Pin tool 12 01765 03 1 Pull up spring tool 13 01797 04 1...

Page 27: ...Notes 27...

Page 28: ...info www ohlins com hlins Racing AB Box 722 S 194 27 Upplands V sby Sweden Phone 46 8 590 025 00 Fax 46 8 590 025 80 07280 12D Issued 06 07 26 hlins Racing AB Mattias Johansson majo Update Tiina Hara...

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