Monday, October 31, 2016

Velocity Stack and Carburetor Jetting Plans

I just received a velocity stack form TJ Brutal Customs for my 2004 Honda VLX600. This is my last performance modification before I get into serious cosmetic work on the bike. This involves removing the airbox and air filter, and replacing them with a short funnel like tube to channel airflow into the carburetor. This should increase airflow open up a lot of space around the engine for a better visual appearance.

Making this change will require rejetting of the carb (the jet kit specific to this stack is also from TJ Brutal Customs.) During this process I'll also be removing a whole host of unnecessary hoses and emission control gadgets. These include the PAIR system, which is designed to inject air into the exhaust pipes to fool emissions tests and which also don't typically work after a year or two.

Not only will removing all this clean up the appearance of the bike, it will open up a lot of space under the fuel tank which I can later use for relocating some electronic components. I'm planning on rewiring the bike entirely with a minimal harness and using a Motogadget M-Unit, which will simplify wiring and add a lot of modern feature to the bike, including an alarm and removing the need for a fuse box. All of which will allow for further opening up space in the frame and giving the bike a lighter, more stripped down appearance.

That's the plan. Now, for the process.

Getting the airbox and various hoses out is one thing, rejetting the carb is another thing, so I'll document each separately in coming posts.

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