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Author Topic: Correct Idle Speed?  (Read 7646 times)

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dr1979-340

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Correct Idle Speed?
« on: October 05, 2015, 08:41:35 AM »
The service manual for my 1979 340 Drifter states the idle speed should be 2000 rpm in the specifications.  See page 6.

In the section for adjusting the carburetor it states 2500 rpm.  See page 45.

Does anyone know the correct idle rpm?
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Two 1979 340 Drifters
1979 440 Drifter
1980 440 Drifter

rminier

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Re: Correct Idle Speed?
« Reply #1 on: October 05, 2015, 12:27:30 PM »
 Yeah, I see what you mean.
  I looked at the 1980 Drifter Service Manual, and it looks like Kawi corrected this....it shows the TA340A motor idle speed as 2000 RPM in both places. The 440 Drifter (TA440B) shows an idle of 2500.
  I'm bettin' 2000 is correct for the 340.
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75 SnoJet Astro SS, 79 Kawasaki Invader 440 (two of them), 81 Scorpion Sidewinder, 82 Blizzard 9500, 83 Yamaha Vmax 540, 97 MXZ 670....and holding...for now.

jimvw57

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Re: Correct Idle Speed?
« Reply #2 on: October 06, 2015, 12:09:44 AM »
A long as it is below the torque converter engagement speed, pick one and go with it!
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dr1979-340

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Re: Correct Idle Speed?
« Reply #3 on: October 06, 2015, 08:13:45 AM »
Thanks guys.  I had it running last weekend and adjusted the idle screw and pilot air screw until I thought it sounded good.  I'll throw the tach gauge on it this weekend to see where I"m at.
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Two 1979 340 Drifters
1979 440 Drifter
1980 440 Drifter
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