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Discussion Starter #1
After the tuner was installed how much of a impact did it have on the machine running cooler ? The reason I ask, my son and I were up on the deer lease doing some work Saturday and going slow on the trails as not to tear them up and it just heats up so fast. Not left idling or anything like that. So how much of a difference have you noticed ?
 

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The exhaust system and engine might run cooler, but the radiator fan is going to cycle often as these machines don't have much natural cooling, especially with slow machine speed, when there is little air coming into the radiator, without the fan boost. Your description is what mine does and yes it is hot, but not beyond design temps. I don't have a tuner, so I can not answer your specific question.
 

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I know you are looking for feedback on 2016-18 engines, but my 2019 with the EHS controller and stock exhaust runs MUCH cooler. Not only is the plastic over the pipe cooler, but the fan, which used to run alot, now only comes on when riding hard. Hopefully this helps.
 

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Well that is an interesting reply, so are you saying that a tuner would lead to a major reduction in heat output on this 708 engine? I know there are several forum members who feel like that is accurate, is that unanimous?
 

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I've often read the same positive results with 708 owners and EHS tuners. Cooler running with more power.... just passing info, I have zero experience in it.
 

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Bike should definitely run cooler with tuner, but your fan shouldn't really run any less. According to the manual, the fan comes on once engine reaches operating temperature. Many confuse this to overheating, when in fact, it's at optimum temp, the fan is just preventing it from rising to over temp range.

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Discussion Starter #7
Thanks for the reply’s,
I know these 708’s run lean causing the machine to run hot. I have read a bunch of posts about the positive effects the tuner has had on others machines. Just wanted some first hand reviews from other kodiak owners
 

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If it runs cooler, and I suspect it does, that has to lead to longer engine life not to mention the oil life.
 

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The engine isn't running cooler. The engine will run between 195-206 degrees F due to the coolant thermostat

However the exhaust may run cooler but you would have to put a exhaust gas temperature gauge onto it to tell.

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Sorry for late reply on this thread. I have the ehs tuner and AIS delete and block off kit, also ehs intake kit. Machine runs noticably cooler and power is noticably better. On my 708.

After the tuner was installed how much of a impact did it have on the machine running cooler ? The reason I ask, my son and I were up on the deer lease doing some work Saturday and going slow on the trails as not to tear them up and it just heats up so fast. Not left idling or anything like that. So how much of a difference have you noticed ?
 

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Oh and all i do for riding is slow speed crawling on my property. It loves it now.

After the tuner was installed how much of a impact did it have on the machine running cooler ? The reason I ask, my son and I were up on the deer lease doing some work Saturday and going slow on the trails as not to tear them up and it just heats up so fast. Not left idling or anything like that. So how much of a difference have you noticed ?
 

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Can you offer a link to the exact tuner you used and the cost if possible. This if very intriguing!
 

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Discussion Starter #13
Can you offer a link to the exact tuner you used and the cost if possible. This if very intriguing!
You can google ehs racing , they have a bunch of stuff for kodiaks , grizzly’s. The tuner is $210 on their sight.
 

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Rob-c OK thanks for the info!

kody7oo Said "Sorry for late reply on this thread. I have the ehs tuner and AIS delete and block off kit, also ehs intake kit. Machine runs noticeably cooler and power is noticeably better. On my 708".

Does the engine kill after a cold start on a cold day one the tuner is installed?

What is the block off kit?

I will ask if this is easy to install yourselves? Any idea how long it takes, does it require programming. Anyone who would like to answer that would be great.
 

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Discussion Starter #15
Rob-c OK thanks for the info!

kody7oo Said "Sorry for late reply on this thread. I have the ehs tuner and AIS delete and block off kit, also ehs intake kit. Machine runs noticeably cooler and power is noticeably better. On my 708".

Does the engine kill after a cold start on a cold day one the tuner is installed?

What is the block off kit?

I will ask if this is easy to install yourselves? Any idea how long it takes, does it require programming. Anyone who would like to answer that would be great.[/QUOTE



TRW

A easy super cheap way to delete AIS is pull the hose off your air box ( left side front ) buy a appropriately sized nylon cap , slide cap onto the nipple on the air box and slide the hose back on over the cap. Pretty sure there’s a video or photos on the web if you google it.
The ehs programmer comes pre programmed for a stock machine and from what I have read it’s plug and play. One can make adjustments for after market exhaust etc. I’ll be ordering 2 soon for mine and the wife’s 700 .
I am also doing a diy clamp uni filter on mine and wife’s (if I remember right I paid like $10 for the aluminum mount and $20 for the uni filters) Actually just did the clamp on uni filter mod on my old 400 kodiak that my son rides now yesterday . as that has the same kinda crappy air filter mount . There are also videos of the filter mod out there ..
 

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This is the block off kit. Just a cleaner way of doing the mod. I am very happy with the block off kit. looks great.

https://www.ebay.com/i/273829381591?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=273829381591&targetid=539174542555&device=c&mktype=pla&googleloc=9002348&poi=1012900&campaignid=6470552772&mkgroupid=81274341727&rlsatarget=aud-412677883135:pla-539174542555&abcId=1139336&merchantid=115337156&gclid=CjwKCAiAwZTuBRAYEiwAcr67OaPQ1xDbsloCMvd7ZwjkuLjW3WmnLk5xt0GlzTYF183OPA4On_IIRhoCXM4QAvD_BwE

As far as starting. I usually still need to push the starter twice on cold start, seems to just be nature of the best. The random slow speed stalling is gone, the excessive heat is gone. Engine runs as it should. I highly recommend the EHS tuner and AIS delete at minimum, after that an airbox mod..
 

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Discussion Starter #17
This is the block off kit. Just a cleaner way of doing the mod. I am very happy with the block off kit. looks great.

https://www.ebay.com/i/273829381591?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=273829381591&targetid=539174542555&device=c&mktype=pla&googleloc=9002348&poi=1012900&campaignid=6470552772&mkgroupid=81274341727&rlsatarget=aud-412677883135:pla-539174542555&abcId=1139336&merchantid=115337156&gclid=CjwKCAiAwZTuBRAYEiwAcr67OaPQ1xDbsloCMvd7ZwjkuLjW3WmnLk5xt0GlzTYF183OPA4On_IIRhoCXM4QAvD_BwE

As far as starting. I usually still need to push the starter twice on cold start, seems to just be nature of the best. The random slow speed stalling is gone, the excessive heat is gone. Engine runs as it should. I highly recommend the EHS tuner and AIS delete at minimum, after that an airbox mod..
$25 total for the plate and shipping, not a bad price..
 

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TRW

A easy super cheap way to delete AIS is pull the hose off your air box ( left side front ) buy a appropriately sized nylon cap , slide cap onto the nipple on the air box and slide the hose back on over the cap. Pretty sure there’s a video or photos on the web if you google it.
YouTube video explaining how to do it This Method. save a buck.

45 SECONDS INTO THE VIDEO

 

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kody7oo, Jssrvlz, Rob-c, Thanks for all the info, this is interesting, and helpful, I appreciate all the help and links etc.

Keep us posted if any other things improve over the months!
 

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Mods

Hello you kodiak people. I just did the mods yall talkin about, i got the tuner, airbox mod with the pre filter, 1 into 2 barkers pipe ( it is loud ) after a short while i will get the quiet cores which also have the spark arresstors, i did all the mods myself. I purchased from ehs. If you are on a budget well this stuff wasnt cheap. Also had coop45 mill my moveable sheave, i also got the 18 gram rollers from ehs, ( i know for sure i paid to much for those ) stock rollers are 30 or 31 grams. Next week i will reinstall my sheave. Yall that are riding at sea level to about 3000 feet of elavation factory kodiaks run lean, i am mostly riding 5k to 8k and i have been running about rite.
 
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