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Author Topic: Seized Forks  (Read 1809 times)

relivingmyyouth

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Seized Forks
« on: September 05, 2015, 09:29:21 PM »
Hi All,

A Quick sanity check needed.....
I have a project Super 9 which is or was going fairly well in terms of gremlins but I may have been defeated with seized front suspension.
The Super 9 has failed it's MOT on the front shocks not moving at all.

The bike did not cost a great deal so I'm undecided in terms of going for a fix or selling on as spares or repair.
Would anyone be able to share any experience on this please? Is it worth a fix, any tips for freeing them up, if even possible - penetrating oils etc or would it be a case of replacing? I'm not sure I could tackle the replacement myself, but there is a decent priced used set on ebay at the moment, but from a Super 9 that is 6 years older than the project bike.

I've not had a chance to properly look at it yet, but if there is a fix available, I'm willing to try.

If there is any advice available, I would be very much grateful to take it on board.

Thanks !!
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Triesandluth

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Re: Seized Forks
« Reply #1 on: September 05, 2015, 09:33:29 PM »
Oddly enough,  I just noticed yesterday that my forks are leaking oil from around the seal.  I've never dealt with suspension issues, so I hope someone will chime in!

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relivingmyyouth

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Re: Seized Forks
« Reply #2 on: September 05, 2015, 09:46:00 PM »
Fingers crossed! I've been thinking about it for a bit, considering a try with a couple of small diameter holes drilled in to help with any lubrication getting where it needs to, but I will hold off until I hopefully get some more technical or experienced views / input...
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Triesandluth

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Re: Seized Forks
« Reply #3 on: September 06, 2015, 09:05:04 AM »
I looked up a video on disassembling forks earlier.  If you haven't yet maybe you should check it out.  Might give you some insight. 

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Raindrop586

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Re: Seized Forks
« Reply #4 on: September 06, 2015, 06:54:30 PM »
If your self lubricating the parts idea dont work . or if something goes wrong in drilling . brand new forks direct from Kymco is only 80 each free shipping .
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Triesandluth

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Re: Seized Forks
« Reply #5 on: September 06, 2015, 09:21:47 PM »
^^^ Nice!!

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relivingmyyouth

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Re: Seized Forks
« Reply #6 on: September 07, 2015, 06:45:57 AM »
Thanks for that, better price than I had thought.
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BettinANDlosing

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Re: Seized Forks
« Reply #7 on: September 07, 2015, 04:59:02 PM »
Sorry I was late, new forks are honestly the cheapest easiest solution, but you CAN repair them. Remove, then unscrew the top caps (careful spring pressure) and poor e the oil fluid out, yours will be all water. If they are totally rusted you might need to get new valves and springs, obviously seals too. A lot of work when you can just pop in new ones in less than an hour.
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2002 Kymco B&W 300; MRP 78MM "300CC", Naraku cam, Yoshimura rS3 exhaust, 17g Sliders, Yellow torque spring drilled airbox, stock carb #115 main #40 pj.

2001 "Yamaha" Zuma AKA MBK Booster; MHR OverRange, Dellorto 19mm BHBG, Polini "big" intake, RS-3 Rear shock, Stock cylinder.

relivingmyyouth

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Re: Seized Forks
« Reply #8 on: September 29, 2015, 01:09:47 PM »
Sucess!!! Thanks all....little bit of penetrating oil sorted it with new seals and circlips.
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Raindrop586

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Re: Seized Forks
« Reply #9 on: September 29, 2015, 03:53:57 PM »
Good sh it
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Triesandluth

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Re: Seized Forks
« Reply #10 on: October 01, 2015, 09:32:17 PM »
Where did you order the seals from?

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Triesandluth

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Re: Seized Forks
« Reply #11 on: October 01, 2015, 09:32:44 PM »
And any tips on changing them?  I'm needing to do this soon

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