1979 G5 front forks |
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PHIL H
Senior Member Joined: 18 Jan 2016 Location: SW Yorkshire Status: Offline Points: 140 |
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Posted: 13 Jun 2016 at 18:31 |
Hi all
Loving and learning my Guzzi G5. Latest development is a knock from front forks. It seems to be on the left fork as you sit on the bike and is most noticeable when dropping down from a speed bump. Since owning the bike I have replaced the fork tubes...bad rust where headlamp supports are....fitted new steering head bearings (from Gutsibits) and also the top fork upper cap, one of which was broken in the fork tube ! So my thinking is its the fork shock absorber. Any thoughts before I splash out my cash ? Thanks Phil |
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1993 SP3 Kawasaki Z650 1976 Honda CB 550 project |
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italianmotor
Senior Member Joined: 14 May 2014 Location: UK Status: Offline Points: 2101 |
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Probably knackered cartridges and/or springs. They're not brilliant when brand new..
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Guzzi lover doing my own thing: http://www.italianmotormagazine.com
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Jerry atric
Senior Member Joined: 24 Nov 2014 Location: Wiltshire Status: Offline Points: 3367 |
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yeah the sealed damper units are almost certainly shot. I got replacements from MotoMecca. They're cheaper now than they were in 1980 Have you got lubricating oil in the forks?
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PHIL H
Senior Member Joined: 18 Jan 2016 Location: SW Yorkshire Status: Offline Points: 140 |
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Yes, ATF if memory serves, not much needed.
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1993 SP3 Kawasaki Z650 1976 Honda CB 550 project |
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johnno
Senior Member Joined: 19 Jul 2014 Location: loughborough uk Status: Offline Points: 5582 |
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If it's a knock I would check that my new steering head bearings need adjusting again now they have settled down
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1100 sport corsa , Yam R1, guzzi 650tt rider
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italianmotor
Senior Member Joined: 14 May 2014 Location: UK Status: Offline Points: 2101 |
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Have new head races just been fitted? Yes, deffo first thing to check, then forks. The forks on my S3 although all fine mechanically still knock occassionally on a pothole or similar. In fact, I think soon I'll put some different springs and cartridges in, they're the weakest part of these older big Guzzis.
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Guzzi lover doing my own thing: http://www.italianmotormagazine.com
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Ken-Guzzibear
Moderator Group Joined: 13 May 2014 Location: Sileby Leics Status: Offline Points: 9454 |
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Check they are actually fitted at the top when I got the V1000 the top of the forks had holes ie no bolts in them I only rode it 1/4 mile it knocked read manual the "holes" should have had bolts in to fit to the inner tops, fitted allen head bolts, never a problem since the ATF fluid just gives lube to the outside of the tubes. Think of them like larger rear shocks inside the forks , when I serviced mine , undid the bottom 'ole what came out was gunge and water!!!! ...this was prior to it going on road properly and after I fitted the top bolts and filled it with ATF any subsequent draining has resulted in ATF fluid only , first couple of times it was a bit brownish , from contamination I guess, The dampers have performed faultlessly for the last 26 yrs ..... brilliant system ....
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The Older i Get, The Better I Was
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PHIL H
Senior Member Joined: 18 Jan 2016 Location: SW Yorkshire Status: Offline Points: 140 |
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Thanks all
I checked/ retightened the head races a week or two ago and have just been to Gutsibits for 2 new dampers, £44 the pair. Watch this space........ |
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1993 SP3 Kawasaki Z650 1976 Honda CB 550 project |
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PHIL H
Senior Member Joined: 18 Jan 2016 Location: SW Yorkshire Status: Offline Points: 140 |
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Well that worked, worth the £44, rides a lot better
Thanks for the input all Phil |
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1993 SP3 Kawasaki Z650 1976 Honda CB 550 project |
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Ken-Guzzibear
Moderator Group Joined: 13 May 2014 Location: Sileby Leics Status: Offline Points: 9454 |
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reeeesult
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The Older i Get, The Better I Was
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