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Old 04-17-2015, 10:50 PM
Monkeyman2500 Monkeyman2500 is offline
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Default How can I tell RPM
On my 1650 how can I find out my RPMs? Runs good but it bogs down quite a bit up hills and while mowing high grass.
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Old 04-17-2015, 11:44 PM
machinehead323 machinehead323 is offline
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i have a snap-on multimeter that has an rpm function on it. there is a sensor that goes around my spark plug wire and reads out on the screen
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Old 04-18-2015, 01:05 AM
J-Mech J-Mech is offline
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Yep, some multi-meters can read RPM. So can some timing lights. Other way is with a photo-tach. A while back some guys on here bought some cheap ones on Amazon or Harbor Freight.... I don't remember.
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Old 04-18-2015, 02:33 AM
Monkeyman2500 Monkeyman2500 is offline
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Quote:
Originally Posted by J-Mech View Post
Yep, some multi-meters can read RPM. So can some timing lights. Other way is with a photo-tach. A while back some guys on here bought some cheap ones on Amazon or Harbor Freight.... I don't remember.
Thanks. I remember somewhere you saying the correct RPM's at WOT for a 1650. What was that again?
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Old 04-18-2015, 03:23 AM
J-Mech J-Mech is offline
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It's in the service manual......
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Old 04-18-2015, 08:52 AM
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Roy Najecki Roy Najecki is offline
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IH Cub Cadet 1450 Operators Manual for K321AQS engine:
Pg 10 and 38: 1800 RPM idle, max 3600 RPM No Load, max 3400 RPM Full Load
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Old 04-18-2015, 10:09 AM
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j4c11 j4c11 is offline
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Here's a link to the tachometer:

http://www.amazon.com/CyberTech-Digi...9362478&sr=8-1
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Old 04-18-2015, 02:27 PM
Monkeyman2500 Monkeyman2500 is offline
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Where is the idle set as far as throttle position goes. Is it the lowest setting for the throttle.
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Old 04-18-2015, 03:56 PM
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Roy Najecki Roy Najecki is offline
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That is what I was told. Also understood to run the engine at idle for a minute then turn the key to Off. This had something to do with the carb cooling off though I couldn't tell you how that works.

You can also find the digital photo tachometers on eBay for $12.39 delivered.
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Old 04-18-2015, 04:52 PM
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snoel snoel is offline
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Quote:
Originally Posted by Roy Najecki View Post
That is what I was told. Also understood to run the engine at idle for a minute then turn the key to Off. This had something to do with the carb cooling off though I couldn't tell you how that works.

You can also find the digital photo tachometers on eBay for $12.39 delivered.
Idle before shut down, cools the oil, cylinder, and head.
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