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  #16  
Old 01-18-2017, 05:36 PM
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Bonz Bonz is offline
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^^^+1^^^

I don't know why the XS would be different than the ZRX I just put cams back in. Get everything lined up and it's done right. There's only one way to line everything up.

Not to be harsh, but trbig said what I think others want to say but didn't. Something went wrong here.
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  #17  
Old 01-18-2017, 09:20 PM
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Not trying to be a butt about it, it just seems to happen naturally sometimes. lol.

I have bent valves myself. Then I got pretty decent at adjusting them and rebuilding the motors... then bent a friend of mine's as well. I finally figured out what the problem was in both cases, but cam sprocket marks isn't one of them. Sorry.
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Current bikes:
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*'82 XJ1100 with the 1179 kit. "Mad Maxim"
'82 XJ1100 Completely stock fixer-upper
'82 XJ1100 Bagger fixer-upper
'82 XJ1100 Motor/frame and lots of boxes of parts
'82 XJ1100 Parts bike
'81 XS1100 Special
'81 YZ250
'80 XS850 Special
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  #18  
Old 01-18-2017, 09:30 PM
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What was the problem that you found out you did, tr?
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2019 Rally Link:
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  #19  
Old 01-18-2017, 11:02 PM
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Once, I was rebuilding on the sidestand instead of the center stand and the cam chain ended up going beside the crank sprocket at the bottom. When I turned the crank the pistons went up/down, but the cams didn't move. Didn't notice cams weren't moving until I'd gone around twice.

2nd time was after adjusting the shims, I always used to pull the tensioner out, push the plunger all the way in, install it, then release the set screw and let it slap the chain.. thinking this would make sure all the slack was out. What it did was slap the chain back with a loop at the bottom of the crank gear. Let me see if I can find that old drawing... Ahh.. found it! Before the tensioner instalation, the chain kind of hangs there like this.





When the tensioner slapped the chain, it was causing the chain to go against the teeth of the crank sprocket, but leaving a loop of slack at the very bottom like this.





As I'd turn the crank a bit, it would finally jerk the slack out and make the cam and the crank quite a few teeth out. Turn it some more to see if it's still in time and nope... and no compression now on a couple cylinders either. To fix this, I now retard the exhaust cam and put the slack between the two cams before I install the adjuster. I always put my finger in the hole to hold tension until I know everything is back in time. When you install the tensioner, it will pull the slack out in between the cams and the cam will be back in time. I always keep a bit of pressure on the plate the tensioner hits as I back the exhaust cam up a bit. It will push your finger out of the hole some as you do it, but this assures no loops get formed at the bottom fo the chain. Just the method that works for me.. YMMV
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Try your hardest to be the kind of person your dog thinks you are.

You can live to be 100, as long as you give up everything that would make you want to live to be 100!

Current bikes:
'06 Suzuki DR650
*'82 XJ1100 with the 1179 kit. "Mad Maxim"
'82 XJ1100 Completely stock fixer-upper
'82 XJ1100 Bagger fixer-upper
'82 XJ1100 Motor/frame and lots of boxes of parts
'82 XJ1100 Parts bike
'81 XS1100 Special
'81 YZ250
'80 XS850 Special
'80 XR100
*Crashed/Totalled, still own

Last edited by trbig; 01-18-2017 at 11:08 PM.
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  #20  
Old 01-19-2017, 12:23 AM
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Nice illustrations. The ZRX cam chain is on the left side of the engine and it's easy to take slack out with your fingers accessing the chain through the timing cover while reinstalling the automatic tensioner. With the being shared, it is clear the XS is a bit different because of the central cam chan.
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2019 Rally Link:
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  #21  
Old 01-19-2017, 07:33 AM
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IanDMacDonald IanDMacDonald is offline
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Yeah, that slack at the starter sprocket will ruin your day. I have a base gasket leak that will eventually force me to pull the jugs on the engine, so that cam install procedure will have to be delved into again down the road.
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  #22  
Old 01-19-2017, 07:57 AM
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Is the base gasket on the XS1100 an organic gasket or a metal gasket?
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01 ZRX 1200, only bike in the garage.

2019 Rally Link:
http://appleattic.net/XS2019/xs2019.htm
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  #23  
Old 01-19-2017, 08:41 AM
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IanDMacDonald IanDMacDonald is offline
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I know the gasket below the cylinder head, going to the jugs is organic with fire rings. However, the gasket below that is unknown to me. Never had the jugs off this engine. I'm not sure if it's that gasket, or the "base" gasket that many leave off?
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1979 XS1100F
2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

Last edited by IanDMacDonald; 01-19-2017 at 08:47 AM.
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  #24  
Old 01-19-2017, 09:31 PM
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Radioguylogs Radioguylogs is offline
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Cardboard-like

Bonz:

Base gasket on my XS750's is the cardboard type material. Is that what you call organic?

I'd expect the XS1100 would be the same material.
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  #25  
Old 01-20-2017, 09:03 AM
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trbig trbig is offline
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Quote:
Originally Posted by Bonz View Post
Is the base gasket on the XS1100 an organic gasket or a metal gasket?
Organic, and many just leave it off when rebuilding (Because man, what a PITA to get completely off), simply using a thin coat of liquid gasket of your choosing. My personal favorite is The Right Stuff by Permatex, but it's a bit pricier than others.
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Try your hardest to be the kind of person your dog thinks you are.

You can live to be 100, as long as you give up everything that would make you want to live to be 100!

Current bikes:
'06 Suzuki DR650
*'82 XJ1100 with the 1179 kit. "Mad Maxim"
'82 XJ1100 Completely stock fixer-upper
'82 XJ1100 Bagger fixer-upper
'82 XJ1100 Motor/frame and lots of boxes of parts
'82 XJ1100 Parts bike
'81 XS1100 Special
'81 YZ250
'80 XS850 Special
'80 XR100
*Crashed/Totalled, still own
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  #26  
Old 01-20-2017, 09:21 AM
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IanDMacDonald IanDMacDonald is offline
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The Right Stuff is awesome! Hate using it on the valve cover, but still love it.
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1979 XS1100F
2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.
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  #27  
Old 01-20-2017, 09:38 AM
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trbig trbig is offline
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Why the hate for it on the valve covers?


Haters gonna hate.
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Try your hardest to be the kind of person your dog thinks you are.

You can live to be 100, as long as you give up everything that would make you want to live to be 100!

Current bikes:
'06 Suzuki DR650
*'82 XJ1100 with the 1179 kit. "Mad Maxim"
'82 XJ1100 Completely stock fixer-upper
'82 XJ1100 Bagger fixer-upper
'82 XJ1100 Motor/frame and lots of boxes of parts
'82 XJ1100 Parts bike
'81 XS1100 Special
'81 YZ250
'80 XS850 Special
'80 XR100
*Crashed/Totalled, still own
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  #28  
Old 01-20-2017, 11:52 AM
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IanDMacDonald IanDMacDonald is offline
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Lol Tod. The reason I hate using it (still use it though), is because you can't get in all the nooks and crannies of the cylinder to apply it to the head as one bead. And, if you apply it to the valve cover, when you lift the cover over the cam brige, it ALWAYS hits, smearing the freshly applied silicone. Maybe I'm laying it on too heavy? Do you smear it after you apply it?
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1979 XS1100F
2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.
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  #29  
Old 01-20-2017, 02:30 PM
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Bonz Bonz is offline
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Yes, that is what I meant by organic. Leaving out the base gasket on the ZRX is worth a half point compression. How much you think it is on an XS? The ZRX base and head gaskets are metal so they come right off.
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01 ZRX 1200, only bike in the garage.

2019 Rally Link:
http://appleattic.net/XS2019/xs2019.htm
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  #30  
Old 01-20-2017, 08:03 PM
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Quote:
Originally Posted by IanDMacDonald View Post
Lol Tod. The reason I hate using it (still use it though), is because you can't get in all the nooks and crannies of the cylinder to apply it to the head as one bead. And, if you apply it to the valve cover, when you lift the cover over the cam brige, it ALWAYS hits, smearing the freshly applied silicone. Maybe I'm laying it on too heavy? Do you smear it after you apply it?
Those are my thought as well.
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