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84 xlh, cam, help needed, start, timing

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  #1  
Old 28th June 2013
cowboy-daddy cowboy-daddy is offline
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Default 84 XLH Re-build won't start!!

Hey guys/gals, I need some help. I have been all over this site, and as far as I can tell, have read all the stickies pertaining to my issues. A little history and then my issue......

Got an 84 XLH 1000 last fall. Ran ok, started noticing a low end knock. Found it was the connecting rods were worn. Took the whole beast down to the flywheel myself. Bagged and tagged everything as this is my first attempt at ANYTHING this major. Finally got back to it this spring after it sat all Wisconsin winter long; engine, cleaned and in pieces in the garage, frame, outside tarped. Got the new connecting rods, reassembled the flywheel. Yes, I trued it myself. Trust me, it's good. Put everything back together again just last week. Lot's of little fancy mods and even redid some wiring (I know it will come up first if it is all correct). Replaced basically all the electronic hand controls and associated wiring with a couple of toggle/rocker/mom. switches and an Electronic I/O Control module, which my company creates/builds/tests. If these things run fire trucks and cranes I think it can handle a bike. Just re-read all of IronMick's posts and tried to learn all I could from Extremraptor's issues regarding my problem. Which leads me to........

The bike turns over but will not fire.

I have suction at the exhaust holes and the engine is blowing all the fuel out of the carburetor. So, I know I have something 180* (or whatever) out of phase. I tried to readjust the pushrods again, just like Mick says. Still having the same issue. I even know that my TDC is the line on the flywheel. I just checked it by looking through the front spark plug hole and checking the peep hole. One line, loud and proud!

The next or only thing I can think of is that somehow my cams are off. I've got a Haynes service and repair manual for Sportster ('70-'08) and Shovelhead & Evo Big Twins ('70-'99). All it said was to line up the timing marks on the gears, never referencing where TDC should be. I know I am 100% lined up with those, but in reference to TDC, I am only 75% sure.

I am so close to having this thing back on the road i can taste it! And to add some friendly pressure, my wife and kids got me passes to the 110th next month! I really gotta figure this thing out. Can we please call in the big guns and see what you guys can come up with?

Thanks,
Mike

ps, I can post photos or links to photos & videos if need be.
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  #2  
Old 28th June 2013
simeli simeli is offline
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Open up the cam chest because the cams are not setup properly.
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  #3  
Old 28th June 2013
cowboy-daddy cowboy-daddy is offline
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I've read..... that the pinion gear can only go on one way due to being keyed. That being said, I don't properly remember if it was or wasn't at the time. Just that it went on alerting me that I was missing something or that it was "to easy". Once the pinion gear was on, all the other gears' timing marks lined right up. Not that I'm opposed to re-opening it, but what am I going to be looking for or what would I change once I'm in there?
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  #4  
Old 28th June 2013
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randy3934 randy3934 is offline
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there's a mark on the pinion shaft and the pinion gear that must be lined up on a 79, the gear will go on in any position.
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Old 28th June 2013
Mosey Mosey is offline
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This thread might help ya out with some of yer cam questions...

http://xlforum.net/forums/s...d.php?t=239641
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  #6  
Old 28th June 2013
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Cam timing is not set with any reference to TDC.

Cam timing is set by aligning the marks on the cam gears and/to the crank gear mark.

Oil pump is not timed on an 84
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Old 28th June 2013
cowboy-daddy cowboy-daddy is offline
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Thanks Rick, that did keep going through my mind. I read everything and the book never mentioned timing it and I could never find a hole anywhere.

Not sure if I will get to it during the day but as soon as the kids go down I'll have to check to see where the pinion gear lines up. Keep the suggestions coming, I really appreciate all the advice.
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Old 28th June 2013
ironhead68 ironhead68 is offline
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Could the line on your flywheel be 180* out? i.e. Timing mark on the exhaust stroke?
Both front valves need to be closed.

Last edited by ironhead68; 29th June 2013 at 01:26.. Reason: mistake
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  #9  
Old 28th June 2013
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The vert line on the flywheel is your ADVANCED MARK not TDC.
Cams line up with the pinion gear mark NOTHING ELSE
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Old 28th June 2013
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Here is the gear shaft mark; pinion gear mark must be lined up with this when it is installed ...

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