KLX250 CDI module
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Joined: Apr 2012
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From: Houston, TX
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From: Abilene, TX
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Interesting. The possibility of a small increase in performance with a properly designed aftermarket CDI is certainly there. It probably wouldn't be a night-and-day difference, but there could be a difference. Depending on the amount of advance available, there's also the possibility that you'd have to run higher octane fuel all the time to prevent detonation. I'd like to hear more.
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From: Abilene, TX
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666, unless your ignition system is defective, your starting issue is something else. The stock system is more than adequate to easily start and operate the engine. I think something else is going on with your situation. I think you need to nail down what's wrong with your bike first.
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yeah...my valve class is coming up next week with a motorcycle mechanic instructor, so we'll have plenty of time to go over everything....
666, unless your ignition system is defective, your starting issue is something else. The stock system is more than adequate to easily start and operate the engine. I think something else is going on with your situation. I think you need to nail down what's wrong with your bike first.
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From: Missouri
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From: Quebec, Canada
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Interesting. The possibility of a small increase in performance with a properly designed aftermarket CDI is certainly there. It probably wouldn't be a night-and-day difference, but there could be a difference. Depending on the amount of advance available, there's also the possibility that you'd have to run higher octane fuel all the time to prevent detonation. I'd like to hear more.
Unfortunately, I won't be able to report on performance with a 300cc bore soon. This was planned for May but has to be delayed. There are a couple people out there with big bore and programmable cdi who might show what they got before I can do it.
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Joined: Mar 2009
Posts: 333
From: Quebec, Canada
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666, unless your ignition system is defective, your starting issue is something else. The stock system is more than adequate to easily start and operate the engine. I think something else is going on with your situation. I think you need to nail down what's wrong with your bike first.
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From: Abilene, TX
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Ray, on that compression issue, it's one reason why I went with the OEM 300 jug and piston, as it retains the 11:1 compression instead of the 12:1 that most big bore kits are offering. I understand the benefits of higher compression, but a lot of fuel sources can really suck these days, and some of the places I go in the hinterlands will sometimes only have 85 or 86 octane regular. My 300 will run well on just about anything flammable without detonation, and I get terrific mileage besides. I kind of hate to mess with success...LOL!