![]() ![]() You may need to use your foot to hold the wheel down when you pull the valve stem into place.The Tyre has Been Pushed off the Wheel Rim: It only requires a few inexpensive tools (unless you use a trolley jack to break the bead of the tyre). It was actually much easier and straightforward than I first thought. Replacing a valve stem may be a bit intimidating, because you have to break the bead of the tyre. Two pieces of wood (for breaking the bead of a tyre) (link opens in a new tab).To remove a wheel valve stem, you need the following Tools: Note:ĭo not try and repair the existing valve stem! Failure (a sudden loss of air) could be dangerous at speed (a blowout). To properly replace the valve stem, we need to ‘Break the tyre bead’. I have another article showing how to do this… ‘ How to Replace a Wheel Valve‘ (link open in a new tab)… If it’s only the valve that’s leaking (bubbles coming from inside the threaded part on top of the valve stem), only the ‘Schrader’ wheel valve needs to be replaced. Replacing a Tyre Valve Stem – A Perished Valve Stem with a large hole Therefore please take care (any work you may carry out is at your own risk). Any damage, or incorrect repair can cause a sudden loss of air which could be dangerous at speed (a blowout). Replacing the Valve Stem – Do’s & Don’ts!īe careful with tyres… A tyre is a pressurised container.The Different Types of Wheel Valve Stem:.They are designed to ‘snap-in’, but should be tight fitting to prevent loss of air. Replacing a valve stem is fairly straightforward and can be easy. Valve stems are designed to pull through the inside edge of the wheel rim… It could lead to sudden loss of air from the tyre, a ‘blowout’. Trying to replace a valve stem without breaking the bead of a tire could result in damage, as you are forcing the valve stem into the hole the wrong way. We think you’ll agree that every V-Twin shop (or any shop that works on V-Twins) should have at least one of these On-The-Engine-Valve Spring Compressors.How do I Replace a Valve Stem? Replacing a Valve Stem Without Removing the Tyre… The customer was happy because he saved a bunch of money on labor and because his motorcycle didn’t smoke anymore.” The technician working on the bike was happy because he did the job in about an hour and a half versus about 4 hours for a full tear down. After finishing up the entire reassembly of the bike it, it was test-ridden and we had fixed the problem. “On this job, we only needed to replace the valve stem seal as the customer had issues with lots of smoke coming out of the tail pipe. Repeat the process until all springs or seals have been taken care of. You can now replace the valve spring or seals. This is done to prevent the valve from falling.ĥ – Using standard wrenches, compress the valve spring, remove the keepers and retainers. Tighten fasteners in place.Ĥ – Using standard shop air (90-120 PSI), pressurize the cylinder through the spark plug hole. Position the large hole over the valve spring with the two threaded studs pointing at the same angle as the valve stem. Remove any other brackets that could interfere with mounting the Valve Spring Compressor plate.ģ – Mount the Valve Spring Compressor base on the cylinder head. Remove the gas tank according to manufacturer’s instructions.Ģ – Fully expose the valve springs by removing the complete rocker box assembly, including the lower rocker arm cover. Remove the rider’s seat and disconnect the negative battery terminal. Here’s how it works:ġ – Place the transmission in gear with rear wheel firmly on the working surface and front wheel locked. Remove the gas tank and rocker box assembly and you’re ready to get to work. You can use it to replace broken valve springs, install high performance springs, remove and replace valve guide seals all without completely disassembling the motorcycle. We call it the V-Twin On-the-Engine Valve Spring Compressor (Order No. It’s simply one of the coolest tools we’ve seen in a long time. QualFast High Performance Valve Springs.QualCast Valve Spring Retainers & Keepers.QualFast Black Lightning High Performance Valves.V-Twin Hard Parts & Tooling Expand child menu.Camshaft & Crankshaft Work Expand child menu.Short Block Rebuilding Expand child menu.Parts Cleaning & Safety Expand child menu.Cylinder Head Resurfacing Expand child menu.Valve Seal Tools & Supplies Expand child menu.Valve Seat Stone Holders & Acccessories.Cylinder Head Supplies Expand child menu.Sioux-Style Valve Seat Grinding Tools & Equipment.Kibblewhite Hard Parts Expand child menu.Black Lightning High Performance Valves.Sunnen Automotive Products Expand child menu. ![]()
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