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Discussion Starter · #1 · (Edited)
Not that it really matters, but it bugs the ever loving crap out of me not having a tachometer. Has anyone has any luck with those cheap ~$30 inductive tachometers that you wrap around the plug wire?
 
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I had baught three cheap 10$ ones off Amazon.
First one never worked, second one worked great but aventually got moisture / water in it repeatedly and failed after 30 hrs.The third one lasted for 60hrs but aventually starting reading wonky and giving me questionable information. All in all for 30$ I can't complain as I got alot of good information on my Grizzly, outboards, and snowblowers with them.
 

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Good question! I have been wanting a tach as well, but have not looked into it yet. Are there any options that maybe cost more but actually work and last? I'd love to have one on the Grizz.
 

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Correction the last one had 40hrs not 60.
These are the cheap Chinese ones I've been using.
 

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Runleader RL-HM038M Inductive tachometer

This one looks pretty good, on amazon. says its epoxy encapsulated, and it's made so you can snap it into a cut out in a panel for a clean install. $30.00, one year warranty.
 

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Trail Tech makes a few different models , check their website.
I got one from them for my base Kodiak to keep track of hours and miles but I never could get the tach portion to work right. The RPM reading was jumping around and after re-routing the pickup wire multiple ways and being on the phone with tech support I just gave up and change my computer for one that has a Volt meter feature instead of RPM gauge. Works great. I don't know what kind of interference with the ignition on the quad caused the unstable reading though...
 

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I have had good luck with the Trail Tech ones, I have 3 of them and they work fine.
 
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I have a cheap $10 eBay special.
It’s only run about 4 hours on my grizzly, so I can’t really make any durability claims.
Seems to work fine.
I don’t know it’s accuracy..
It says im idling at 1600-1640 rpm.

Does anyone know what the listed idle speed for a 2016 Grizzly 700 is???


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I have a cheap $10 eBay special.
I don’t know it’s accuracy..
It says im idling at 1600-1640 rpm.

Does anyone know what the listed idle speed for a 2016 Grizzly 700 is???
Mine idles at 1600 -1640 as well. Think all the fuel injection bikes (558, 686, and 708) basically idle at the same rpms.
 

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Check your owners manual, my 2007 wants to idle between 1350-1450 rpms. Higher rpms may cause your bike to jump when shifting into gear. Just an fyi.
 

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Check your owners manual, my 2007 wants to idle between 1350-1450 rpms. Higher rpms may cause your bike to jump when shifting into gear. Just an fyi.
Engine
Engine type Liquid cooled 4-stroke, SOHC
Displacement 558.0 cm³ (YFM5FGY/YFM5FGPY)
686.0 cm³ (YFM7FGY/YFM7FGPY)
Cylinder arrangement Forward-inclined single cylinder
Bore × stroke 92.0 × 84.0 mm (3.62 × 3.31 in)
(YFM5FGY/YFM5FGPY)
102.0 × 84.0 mm (4.02 × 3.31 in)
(YFM7FGY/YFM7FGPY)
Compression ratio 9.30 :1 (YFM5FGY/YFM5FGPY)
9.20 :1 (YFM7FGY/YFM7FGPY)

Idling condition
Engine idling speed 1550–1650 r/min
 

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Looks like your right where you want to be.
 

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Check your owners manual, my 2007 wants to idle between 1350-1450 rpms. Higher rpms may cause your bike to jump when shifting into gear. Just an fyi.
Agreed and sometime they will not shift when the idle is high.
 

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I bought one that says Yamaha on it. You can get it from a dealer, Amazon or ebay.

I wrapped the pickup wire twice around the plug wire and secured with tie wrap.
 
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