starting help? - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

 
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post #1 of 3 Old 02-26-2019, 06:52 AM Thread Starter
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Join Date: Mar 2016
Posts: 1
starting help?

I have a 2005 KLR650 with 25,000 miles. It is so hard to start, doesnt matter if it is cold or hot I have to have the enricher all the way on. I adjusted the valves last year and only put 1500 miles since. I replaced the carb with a used one two years ago. Have had it apart a few times and cant figure what Im missing. Any suggestions will be appreciated.
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post #2 of 3 Old 02-26-2019, 08:56 AM
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Join Date: Jan 2011
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You say you've, "Been there, done that," but . . . the only thing I can think of is:

https://www.klrforum.com/how-tos-tec...-overhaul.html

Special attention to cleaning the pilot and starting jet circuit; adjustment of the FUEL SCREW (1-3/4 turns out a good starting point).

Hot battery, and . . . oughta start!

(Assume serviceable spark plug . . .)

“You better put down that gun. You got two ways to go, put it down or use it. Even if you tie me, you’re gonna be dead.” "John Russell" (Paul Newman), Hombre

Last edited by Damocles; 02-26-2019 at 08:59 AM.
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post #3 of 3 Old 02-26-2019, 10:53 AM
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Join Date: Nov 2009
Location: Lander, Wyoming
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I'll ask if you performed a Cold Cranking Compression test Before & After your valve tappet adjustment? What were the numbers Before & After? What is it Now?

Did you adjust the valve tappet clearances to near the minimum or the maximum of specs?

Cold Cranking Compression specs are 77-124 psi with wide open throttle. I have seen these engines start with as low as 60 psi @ 50f, but it was with great difficulty.

An engine with lower than spec compression may start a little easier with a richer mixture. But I will suggest that any temp under 75f we should use full enrichener, even with good compression. Normally when using the cold start enrichener, one should NOT open the throttle, that allows air to bypass the enrichener jet.

Do not continuously crank the starter, that just wets down the spark plug. Crank 5 rotations, take a 5 second pause for the raw gasoline to vaporize. Crank again.
If after the 3rd set of crank & pause and it still hasn't started, put the starter in motion & just twitch the throttle slightly open. This amplifies the compression and may allow the engine to fire up.

Again I must ask, how much C.C. Compression does your engine have?

Tell us what type of air filter you are using & how you service your air filter? Have you looked Under the clean side of the air box? Is there a hole burnt in it from a bad exhaust gasket?

pdwestman
Modify at "YOUR OWN RISK"!

Still riding my 1987 KL650-A1. 85,000+ miles & counting
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