Cannot remove grips on the handlebars of my Suzuki Boulevard C-50

Question edited for a lot more clarity. 'see 50' to 'C50', add Maker.
Question moved to model category.

https://www.google.com/search?q=boulevard+c50+replace+ignition+switch

There is a newer model Owner's Manual here. The owners manual should be passed on when the bike is sold.

http://forums.delphiforums.com/rlcmc/messages/?msg=91207.1

Service Manuals

https://www.servicerepairmanualonline.com/5410/suzuki-vs1400-vs1400gl-intruder-boulevard-manual/

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this varies with manufacturer of the screen. normally its clamped to the forks or the handlebars- find the manufacturer and ask them!

Remove the handlebar clamp so the bars are loose, you should be able to fit the throttle.

either get a bike lift or centre stand or lean the handlebar against a wall, you will find a spot where it is close to verticle.
leave the side stand down so it cant fall on you if it over balances away from the wall

the only way is to get some locktight or super glue on it to keep it in place for a bit.

turn off the fuel remove hoses & tank
loosen throttle cable adjustment at the grip & at the carb then twist throttle cam wher its fitted & slide cable out of its clip then undo the twist grip & remove the cable there
Cheers Rob

If light comes on batt is connected. Make sure kickstand is up, neutral light is on(you can roll bike w/out the clutch in) and kill switch on handlebars is in the run position....Starter switch is on right handlebar near your thumb...pull ot choke if it has one and fire it up....Good Luck and be CAREFUL....Tim

Pry under it with a flathead screwdriver, athen pray it with hairspray,and turn on it until it comes off.

Remove the handlebar counterweights. Fashion an L-shaped tool from a metal coat hanger, with the longer end about 6" long. You will use this to insert under the old grips and roll around to loosen the glue with out damaging the inner plastic wick, and you can then work the old grips off. If you are installing custom grips, and want to retain the handlebar counterweights, you will need to open the end of the new grips enough to allow the rubber pressure grommet to pass through- about one inch. In any case, be sure to have the orientation of the new grips right before using the glue that will secure the new ones; it is very difficult to redo. When reinstalling the c/weights, thread the screw carefully until it catches the nut in the grommet, or you may push the nut out into the handlebar. If this should happen, the best solution is to blow compressed air into the other end to push the nut out.