Common Carb Issues

[bscpant]

Do you know where to get those check valve nipples that go on the accelerator pumps? I have about 3 that the nipples have broken off from the base. I know everyone says to remove them but the people i rebuild carbs for (mostly friends without a lot of money )want to keep everything stock (IE: the airbox / FA's ) except for a D-plate. I have every jet known to man for these carbs so its not even a issue of rejetting . The main problem is I cant seem to find a solid answer of what jets to put in after removing the accelerator pump and installing a D-plate without installing aftermarket F/A's.

[OsideBill]

There is no jetting solution I know of for that scenario. as for the broken nipples I pull them out of old broken units when I need them.

[bscpant]

do you have any you want to sell?

[Gp8R(x3)]

Improper Arm adjustment

This one is too high, which will cause the diaphram to hold the needle open and continously dump fuel down the carbs. Makes tuning the low end impossible. Arms that are too low will cause the needle not to open or open too late.

Hey Bill.. Its Paul, We just spoke on the phone about a half hour ago lol. I'm soaking all this up like a sponge and I probably wont get a whole lot of sleep now that I have found your GP sticky threads! So I assume then the contact piont on the arm should be flush against a straight edge (in this case a razor blade) across those castings on the body? This will be my first order of business...
By the way... It was a pleasure talking with you. Thanks for the knowledge, and not shipping those carbs w/o confirming.

[OsideBill]

Paul welcome to the forum, you will find lots of knowledgable people here.

[LT1GMC]

Guys,
I am working on a second ski that damaged a cylinder while running hard on reserve. Both times the cylinder leaned out due to not enough fuel supply, the reserve was restricted in the tank by the reserve pickup tube "growing" in length and sealing itself off against the bottom plate of the fuel pickup assembly. See pictures.

[OsideBill]

Leave the bottom plate off, thats what I do.

[LT1GMC]

I have three Xll/XLt carb sets to rebuild in my family, and in deciding whether to add primers to the hard starting ones, have a question: Does the ultra high pop-off setting of the stock carbs(70 psi) have anything to do with the hard starting of some units(hard after 3-4 days of sitting)? Mine hold tank pressure, chokes go all the way closed, the accell pumps work, and I cannot figure why they are hard to start when the GPR has always started right up. They have been that way since new.