Front Fork spring screwup - Wrist Twisters
 
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post #1 of 7 Old 06-06-2019, 09:00 PM Thread Starter
Tirone
 
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Front Fork spring screwup

I have a 2002 Hornet and scored a set of front forks from a 2007 model, with the intention to install Ohlins 85kg springs. However when ordering I neglected to notice the 2002-2003 part number is 08686-85 while the 04-07 is -85b. My manual specified different lengths for springs between years. Should I go ahead and just install the 02-03 springs in the 07 forks? Or bite the bullet and eat the shipping?

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post #2 of 7 Old 06-07-2019, 03:00 AM
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How much difference in lengths? Can you adjust with spacers?

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post #3 of 7 Old 06-07-2019, 12:17 PM
McTavish
 
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Quote:
Originally Posted by Andrew Puleo View Post
I have a 2002 Hornet and scored a set of front forks from a 2007 model, with the intention to install Ohlins 85kg springs. However when ordering I neglected to notice the 2002-2003 part number is 08686-85 while the 04-07 is -85b. My manual specified different lengths for springs between years. Should I go ahead and just install the 02-03 springs in the 07 forks? Or bite the bullet and eat the shipping?
What is included in those two PN's?
Just springs?
Or springs with precut spacers?
Or springs with raw lengths of spacers?
Regardless, something sounds very odd about it all.
The early and late forks have the same tube ID, so if you want 0.85s Ohlins and select from the correct family of free length and OD, it should be just a matter of determining the correct spacer length to get the installed preload you want.

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post #4 of 7 Old 06-10-2019, 11:39 AM Thread Starter
Tirone
 
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The manual specifies a Fork Spring Service Limit of 276.7mm for 04-07 models and a Service Limit of 295.7mm for the 02-03. No spacers were included in my kit, and I decided to not take the chance with a 20mm difference.
On a completely unrelated note: anybody need some 85kg fork springs for an 02-03 model? 😆And hi, I’m new to the group and all that jazz

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post #5 of 7 Old 06-10-2019, 11:48 AM Thread Starter
Tirone
 
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2002 Honda CB919 Asphalt w/13k

-2007 Adjustable front forks w/ Ohlins .85’s
-Renthal 530 17/44 Sprockets w/ DID gold chain
-Venhill SS brake lines
-Dunlop Q3’s front & rear
-Recraft crash bars & mushrooms
-Competition Werkes tail delete kit
-Recraft SS radiator grill
-GIVI front windscreen
-PowerBronze belly pan
-ProGrips 717 gel grips
-Rizoma knockoff bar end mirrors
-R&G tank grips
-NelsonRigg commuter tail-bag
-Bafflectomy and faux-CF wrap

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post #6 of 7 Old 06-10-2019, 06:08 PM
Milites Gregarius
 
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How did you score a set of forks.. I have been looking for a set of 2004+ for years.. with no luck..

Quote:
Originally Posted by Andrew Puleo View Post
I have a 2002 Hornet and scored a set of front forks from a 2007 model, with the intention to install Ohlins 85kg springs. However when ordering I neglected to notice the 2002-2003 part number is 08686-85 while the 04-07 is -85b. My manual specified different lengths for springs between years. Should I go ahead and just install the 02-03 springs in the 07 forks? Or bite the bullet and eat the shipping?

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post #7 of 7 Old 06-10-2019, 06:19 PM
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Plenty of wrecked 919's in Australia.
http://www.ebay.com.au/itm/223146693850

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