Cold Starting and Manifold Inadequacy

 

I don’ think the two are actually related…

One thing I will need to address soon isn’t much of a surprise. The neoprene reducers that I use to adapt from the throttle body to the intakes is far too limber, especially once it warms up. At idle and especially when reving down (high rpm, throttle closed) they pretty much collapse under the vacuum. I’m also concerned about the intake side weakening from the heat and perhaps leaking, or more likely, failing catastrophically and inducing a severe lean-out condition in that cylinder. I have in mind a simple brace to help the collapse problem until I can replace these boots with more rigid components. I also have a crazy idea for something I could fabricate, basically a homebrew manifold.

As for cold starting, I knew I had other things I needed to do today, so I didn’t bother getting the laptop and everything al connected up before I started the bike this morning, but I will definitely need to adjust the warmup enrichment. It was hard to start and hard to keep running, but once it was warm, it did fine.

In my other rat killing, I stopped at the shop and got a valve for the fuel return. I may get a chance to install it tonight so that I may be able to take Buzz for a spin soon, assuming that getting the brakes back online isn’t a major undertaking.

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