Build complete
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Road Master
Joined: Mar 2017
Posts: 894
Likes: 224
From: Lynden, WA
Build complete
Got my build fired up and running! Did a couple heat cycles on it, took it out for a short Ride tonight. Only gave it about a 1/4 throttle but holy ***** the torque is unreal. Im gonna put another 50-100 miles on it this weekend and then its getting parked till it hits the dyno next Friday to get dialed in. Im using a tune fuel moto sent me, and it seems to be running well enough to just cruise it around and give it a little throttle to break it in.
one other piece of info Ill share, I popped my lowers off when I got back from my ride and took it back out and rode it till the engine temp stabilized at about 270 degrees. With the lowers on, it seems to run about 320. Guess I definitely wont be running them in the summer time. With the 107 it was running about 315-325 with the lowers on when I get em last fall. I really like how they look on the bike and are really nice to have when its cold. Really wish I had gotten a bike with water cooled heads back in 2017.
one other piece of info Ill share, I popped my lowers off when I got back from my ride and took it back out and rode it till the engine temp stabilized at about 270 degrees. With the lowers on, it seems to run about 320. Guess I definitely wont be running them in the summer time. With the 107 it was running about 315-325 with the lowers on when I get em last fall. I really like how they look on the bike and are really nice to have when its cold. Really wish I had gotten a bike with water cooled heads back in 2017.
Stellar HDF Member
Joined: Jul 2013
Posts: 2,341
Likes: 982
From: Trinity NC
Sounds awesome. Did you add a fan assist oil cooler to help with the temperatures? Like yourself I really like my lowers and would hate to remove them because of my build. I actually decided to add the HD cool flow fan as well as the fan assist on my HD 131 build.
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Road Master
Joined: Mar 2017
Posts: 894
Likes: 224
From: Lynden, WA
yeah I have the thundermax fan, That cool flow fan wont fit with a D&D pipe so thats not an option for me. I have seen where people put the liquid cooled grill assemblies in their lowers so they have a larger opening. I will probably do that but ultimately I think when the temps are at 65-70+ regularly theyre just gonna have to come off.
Tourer
Joined: Jun 2017
Posts: 285
Likes: 282
From: Prescott, AZ
Congrats! I'm delayed getting mine buttoned up waiting on a couple of seals and my new throttle body. Frustrating. Anxious to get her fired up and on the dyno.
For as much as I thought it was going to be a PITA, I love the water-cooled heads in the hot summers here in Arizona. I'm wondering if HD will put it back on future CVOs with the 131" displacement.
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Road Master
Joined: Mar 2017
Posts: 894
Likes: 224
From: Lynden, WA
yes, I always ride with them open. I think I am going to try removing that vent assembly all together and see if it makes any difference. If it does Im going to order the water cooled vent/grill assembly. Itll let a lot more air through but I can keep the lowers on there.
The bike runs fine running that hot, the M8 seems to not mind these temps, and the engine itself doesnt feel overly hot or anything, it just seems high. Im sure Ive had it running hotter whoopin on it in the mountains in summertime when it was a 107. but Ive never seen the engine temp light on or any performance issues. Even with the engine temp at 320 when I stop it doesnt go into EITMS or anything. I just dont really know how hot is too hot? Honestly after it gets dyno tuned and i have the water cooled grills in Ill probably take my power vision off my bars and never worry about it again
The bike runs fine running that hot, the M8 seems to not mind these temps, and the engine itself doesnt feel overly hot or anything, it just seems high. Im sure Ive had it running hotter whoopin on it in the mountains in summertime when it was a 107. but Ive never seen the engine temp light on or any performance issues. Even with the engine temp at 320 when I stop it doesnt go into EITMS or anything. I just dont really know how hot is too hot? Honestly after it gets dyno tuned and i have the water cooled grills in Ill probably take my power vision off my bars and never worry about it again
Last edited by Kyle Moore; Mar 20, 2020 at 11:55 AM.
HDF Community Team
Joined: Mar 2017
Posts: 7,821
Likes: 4,381
From: Texas
yes, I always ride with them open. I think I am going to try removing that vent assembly all together and see if it makes any difference. If it does Im going to order the water cooled vent/grill assembly. Itll let a lot more air through but I can keep the lowers on there.
The bike runs fine running that hot, the M8 seems to not mind these temps, and the engine itself doesnt feel overly hot or anything, it just seems high. Im sure Ive had it running hotter whoopin on it in the mountains in summertime when it was a 107. but Ive never seen the engine temp light on or any performance issues. Even with the engine temp at 320 when I stop it doesnt go into EITMS or anything. I just dont really know how hot is too hot? Honestly after it gets dyno tuned and i have the water cooled grills in Ill probably take my power vision off my bars and never worry about it again
The bike runs fine running that hot, the M8 seems to not mind these temps, and the engine itself doesnt feel overly hot or anything, it just seems high. Im sure Ive had it running hotter whoopin on it in the mountains in summertime when it was a 107. but Ive never seen the engine temp light on or any performance issues. Even with the engine temp at 320 when I stop it doesnt go into EITMS or anything. I just dont really know how hot is too hot? Honestly after it gets dyno tuned and i have the water cooled grills in Ill probably take my power vision off my bars and never worry about it again
57100151
57100152
There are other conditions that must be met for EITMS, such as ambient temp >80*F
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Road Master
Joined: Mar 2017
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From: Lynden, WA
thanks! I have them in my cart online,
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Thread Starter
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Road Master
Joined: Mar 2017
Posts: 894
Likes: 224
From: Lynden, WA
it looks like thats for the assembly but you must buy the grill insert separate, its 100 bucks for the parts roughly on Ronnie's Site roughly. Think Im just gonna order em. I would think that would be enough air flow to keep the engine cooler but no as cool as not having them on at all. The little vent opening on the lowers is just too small really.