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Which year did shim adjustments quit
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One thing I loved about my '96 Honda Goldwing GL1500 -- Hydraulic lifters - No adjustments in 161,000 miles
Now the GL1800 I have is shim under bucket - but check every 32K miles - so far only 2 changes in 70K
The GS850GL is now settled in - I suspect my next check will reveal no changes .Currently in the Stable :
2002 Honda Goldwing GL1800 Sunburst Pearl Orange1983 Suzuki GS850 GL Blue & Black
" I am never lost until I run out of fuel...until that moment I am EXPLORING."
- Carl R. Munkwitz
Munk's Maxim: "There is no such thing as a cheap motorcycle"
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Originally posted by Jedz123 View PostI did the Valves (Shim over bucket with roller rocker assembly) at 20K miles on the Bonneville and it's been rock solid at 40K, 60K and 8)K miles.
Valve clearances are more set and forget after the first service with shim bikes these days... Which is nice. All my modern high mile bikes with shims, were only set once and never touched again (FZ1, Concours 14, Bonneville T120). The Bandit 1200 being my first high mile bike (with lock nut adjustment) was adjusted annually or every 15-20K miles and yes it was out of whack every year however maintained a healthy service life to 104K miles (80K where my miles).sigpic
'77 GS550B
'78 GS550C
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Originally posted by xkaes View PostI guess this answers my question -- kinda sorta. I've only had to change one shim once, but I've always wondered how long they typically last? Do they ever wear out -- and what can cause incorrect valve cleanace/gap other than the shim or camshaft wear?
They may wear a little bit but i measure them and welcome the worn
shims as i would the 'X' intermediate shims.
Aftermarket shims are sometimes not properly hardened and can wear.
Valve gap decreases with time mainly because of valve wear.
Valve seat, cam lobes and shims hardly wear.
The GS has the cams riding on bare aluminium.
Sometimes, not often, i find these are worn, which causes strange
measurements when adjusting valve play.Last edited by Rijko; 09-14-2021, 02:47 PM.Rijk
Top 10 Newbie Mistakes thread
CV Carb rebuild tutorial
VM Carb rebuild tutorial
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"The thing about freedom - it's never free"
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Forum GuruPast Site Supporter
Super Site Supporter- Jun 2018
- 5139
- Mifflinburg, PA / Land of Tar & Chip
Originally posted by Rijko View PostValve gap DECREASES with time
.Rich
1982 GS 750TZ
2015 Triumph Tiger 1200
BikeCliff's / Charging System Sorted / Posting Pics
Destroy-Rebuild 750T/ Destroy-Rebuild part deux
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Thanks Rich i corrected that in my earlier posting.
I re-read, usually multiple times before i post.
But this one i did not notice ..Rijk
Top 10 Newbie Mistakes thread
CV Carb rebuild tutorial
VM Carb rebuild tutorial
Bikecliff's website
The Stator Papers
"The thing about freedom - it's never free"
Comment
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Forum GuruPast Site Supporter
Super Site Supporter- Jun 2018
- 5139
- Mifflinburg, PA / Land of Tar & Chip
I knew what you meant. Just want to make sure future readers don't get the wrong idea.Rich
1982 GS 750TZ
2015 Triumph Tiger 1200
BikeCliff's / Charging System Sorted / Posting Pics
Destroy-Rebuild 750T/ Destroy-Rebuild part deux
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