Not hitting on all cylinders 1999 honda shadow 750 with 5000 mile

1999 Honda Street: Standard & Cruiser VT1100C3 Shadow
THIS IS NOT CAR , MOVED IT TO MC.

You need to check for spark when the back cylinder is not firing to see if that is the problem...from there it will be easier to troubleshoot...also check for vacuum leaks.

Sounds like the return orifice in your master cylinder is plugged up. You should rebuild the master cylinder paying close attention to the small return hole in the master cylinder.

you may have a loose or dirty battery connection it sounds like it or a bad battery

I doubt the bike has 100k on it, thats alot of riding! If it runs and looks good just figure it is a typo and ride it. As far as the oil filter that bike uses a spin on filter, it is painted black, screws on the front of the engine just above the oil pan just to the right of center.

Well if its running good and you don't here any out of the ordinary rattling I wouldn't worry about it until at least 25,000-30,000 miles on the bike so probabley in another 10,000 miles or so have the valves adjusted unless you hear any unordinary rattling noises sooner then go in at that point and have them adjusted.

Sounds like the battery may be weak, recharge and test, maybe replace. As far as starting, most Hondas will not start if you open the throttle any at all. Shadows being liquid cooled are generally cold natured, but you should be able to ride away with the choke on in 1 or 2 minutes, you might have to ride as far as 4 or 5 miles at highway speed before you can take the choke fully off. If it is taking longer than these times, you will need to remove and clean the carbs. the low speed jets may be partially blocked up.

Praobably worn 'dogs' on the gear or a worn selector fork
Ride Safe
Bike-doc

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check my write ups on this site about oil changes...Tim

valves need to be adjusted every 6000 miles your way past due also your carbs need to be in sync together a shop has to do this work