Thread: Pro 1200 Coupler
01-10-2010, 11:06 AM #1
Pro 1200 Coupler
I am working on a 2000 Pro 1200 that looks like the Driveshaft coupler is broke. I can turn the driveshaft by hand and the connection is broke at the coupler. I dont have the coupler removal tool so is there a way I can get it off without having it? I already have the pump off but the driveshaft is still on. Thanks
01-10-2010, 11:15 AM #2
Try a large pipe wrench on the coupler. Pull the rear sparkplug out and snake a piece of clothesline rope down the hole to keep the crank from spinning.
01-10-2010, 11:24 AM #3
- Join Date
- Oct 2006
- Cleveland OH
When feeding rope/bungee cords down the sparkplug hole, you want to make sure the rope doesn't fall down a port opening. This will put a "side load" on the piston, and possibly do damage.
So, make sure the piston is past the port openings, then feed the rope/bungee cord through the plug hole.
I say bungee cord, because it seems to work best for me.
01-10-2010, 11:26 AM #4
01-10-2010, 11:30 AM #5
Just wondering, is there a chance of stretching the head bolts by using this method?
01-10-2010, 12:00 PM #6
- Join Date
- Jul 2007
- near Toronto, Canada
There is a lot more force on the head during engine operation, than during coupler removal.
Just make sure the rope is not snagged in any of the cylinder ports, and stuff as much of the rope in as will reasonably fit.
If you are worried about the spark plug tip, unscrew it before applying the wrench to the coupler.
01-10-2010, 02:10 PM #7
Thanks Guys, the bungee cord worked pretty good. My coupler is shot. Where is the best place to get a replacement?
01-10-2010, 02:28 PM #8
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