Vacuum Piston Question - Honda Shadow Forums : Shadow Motorcycle Forum

vccomputerguy · 10-08-2011, 07:02 PM

I think I already know the answer but let's give it a try anyway....

Does anyone know if you can repair a rip in the diaphragm of the vacuum piston from the carb in my '83 VT750c?

Scrapdog2grand · 10-08-2011, 07:33 PM

Quote:

Originally Posted by vccomputerguy

I think I already know the answer but let's give it a try anyway....

Does anyone know if you can repair a rip in the diaphragm of the vacuum piston from the carb in my '83 VT750c?

Well lets here your answer, it'll be the same as mine I'm sure. that would be , negative!!!

esj001 · 10-08-2011, 08:10 PM

ive read on another forum for old suzukis, where people have had some luck repairing pinholes or very small tears with the sticky ends of a band-aid cut into an appropriate sized patch. Never tried it myself, but seems like it could work.

Scrapdog2grand · 10-08-2011, 08:15 PM

Quote:

Originally Posted by esj001

ive read on another forum for old suzukis, where people have had some luck repairing pinholes or very small tears with the sticky ends of a band-aid cut into an appropriate sized patch. Never tried it myself, but seems like it could work.

Oh yeah, I dont doubt that theres a bunch of ***** you could use. but he stated a RIP!!
but I'm also the kinda person that will just replace it if its defective, dont care much for the bandaid fixxes for anything, but to each there own.
Now thats not to say I wouldnt give it a shot for a temporary fix, till I got my replacement part in

esj001 · 10-08-2011, 08:19 PM

yeah----id try to get up the money for a new one if it was a pretty good rip

rkforrest · 10-08-2011, 08:40 PM

If you have to Open it up to get to it please have the Right Parts to repair it before Buttoning it back up so you dont have to do it twice then Bi%^h about it.

vccomputerguy · 10-08-2011, 09:12 PM

Here's a picture of it:

Seems that it is a $100 to $140 to buy. I really don't want to finish the carb rebuild with it but was just thinking of the possibilities....

vccomputerguy · 10-08-2011, 09:37 PM

rkforrest,
Good point about doing it right before putting it back together.
(I would not have a lot of room to complain since I' m doing the work.

But while waiting on my part I was just going Hmmmmm.... I wonder if I could have fixed this while on the road......

Which generated the post.

Scrapdog2grand · 10-08-2011, 10:04 PM

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I would try something simalar to a bike tube patch, shaved down thin.
but any fuel that gets up there is most likely going to eat the adhesive. with probably anything you use.

xsive · 10-09-2011, 03:01 AM

That rip looks clean and the rest of the diaphram looks good. You could fix that easily but if you have the cash, best to replace it. Mine where horrible and had holes as large as 1/6th of the circumference. Here is a link to my fix. I would like to have just bought new but not in my current budget. Bike runs fantastic though now with lots of power.

84 vt700 carb slide piston

10-08-2011, 07:02 PM	#1 (permalink)
vccomputerguy Member Join Date: May 2010 Location: Kansas Posts: 43	Vacuum Piston Question I think I already know the answer but let's give it a try anyway.... Does anyone know if you can repair a rip in the diaphragm of the vacuum piston from the carb in my '83 VT750c? __________________ VCcomputerguy 83 VT750

10-08-2011, 08:10 PM	#3 (permalink)
esj001 Senior Member Join Date: Apr 2011 Location: Mid Tennessee Posts: 185	ive read on another forum for old suzukis, where people have had some luck repairing pinholes or very small tears with the sticky ends of a band-aid cut into an appropriate sized patch. Never tried it myself, but seems like it could work. __________________ 03 Shadow A.C.E. 750 82 Suzuki 850GLZ

10-08-2011, 08:19 PM	#5 (permalink)
esj001 Senior Member Join Date: Apr 2011 Location: Mid Tennessee Posts: 185	yeah----id try to get up the money for a new one if it was a pretty good rip __________________ 03 Shadow A.C.E. 750 82 Suzuki 850GLZ

10-08-2011, 09:12 PM	#7 (permalink)
vccomputerguy Member Join Date: May 2010 Location: Kansas Posts: 43	Here's a picture of it: Seems that it is a $100 to $140 to buy. I really don't want to finish the carb rebuild with it but was just thinking of the possibilities.... __________________ VCcomputerguy 83 VT750

10-08-2011, 09:37 PM	#8 (permalink)
vccomputerguy Member Join Date: May 2010 Location: Kansas Posts: 43	rkforrest, Good point about doing it right before putting it back together. (I would not have a lot of room to complain since I' m doing the work. But while waiting on my part I was just going Hmmmmm.... I wonder if I could have fixed this while on the road...... Which generated the post. __________________ VCcomputerguy 83 VT750

10-08-2011, 10:04 PM	#9 (permalink)
Scrapdog2grand Senior Member Join Date: Sep 2011 Location: New Jersey Posts: 1,459	85.00 + ship Motorcycle Tires, Discount OEM Motorcycle Parts, Motorcycle Apparel, Motorcycle Accessories, Motorcycle Helmets, Motorcycle Jackets, Motorcycle Gloves best prices anywhere. I would try something simalar to a bike tube patch, shaved down thin. but any fuel that gets up there is most likely going to eat the adhesive. with probably anything you use. __________________ 1999 VLX 1998 SA750 2003 SA750 http://www.cycleterminal.com Motorcycle Terminals, Connectors,Relay Kits, Accessories, Wiring diagrams. Site still under construction.

10-09-2011, 03:01 AM	#10 (permalink)
xsive Member Join Date: Sep 2011 Location: Boise Idaho Posts: 90	That rip looks clean and the rest of the diaphram looks good. You could fix that easily but if you have the cash, best to replace it. Mine where horrible and had holes as large as 1/6th of the circumference. Here is a link to my fix. I would like to have just bought new but not in my current budget. Bike runs fantastic though now with lots of power. 84 vt700 carb slide piston __________________ 1984 Honda Shadow VT700

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