Update
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Cruiser
Joined: Jan 2009
Posts: 127
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From: Marathon, Florida Keys
Update
Found the leak (main seal in transmission) replaced all the seals in there. Replaced the synthetic in the engine with V M 20-50. Replaced original cam position sensor while we were at it. Rode home quiet and smooth, cleaned the bottom and placed a new piece of cardboard underneath. Hope we got the leak. Peace of mind with the new sensor. 
Seasoned HDF Member
Joined: Oct 2007
Posts: 8,852
Likes: 2,493
From: Decatur, Alabama
before you change out that engine temp sensor you need to verify your hot and cold idle rpms. You want 1,500 rpm dead cold and 1,050 hot. If you are lower than that at hot, you could get popping on decal. Also check the "Y" at the exhaust right behind the rear jug for a crack.
fuel injected evos sometimes eat engine temp sensors like fat chicks eat candy. You want to make sure the old one is shot before you feed it another one.
carl
fuel injected evos sometimes eat engine temp sensors like fat chicks eat candy. You want to make sure the old one is shot before you feed it another one.
carl
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Cruiser
Joined: Jan 2009
Posts: 127
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From: Marathon, Florida Keys
Thank you Carlgrover for the " heads up". I just checked the numbers and they are 1100 cold, and drop down to 800 hot. That has not changed since I got the bike 5000 miles ago. It always starts easily and has never stalled. I purchased a new temp sensor at the same time I got the position sensor because the info I read on here seemed to hint that they go south at around 40,000 miles. I have the new temp sensor but have never had an indication that mine was bad. Do I turn the rpm up and go on, or put the new one in, or both? What is involved with raising the rpm? I have a manual and a friend that is a fair Indy but he knows nothing about the FI. I did inspect the exhaust and didn't detect a leak at the y. Is the low rpm possibly causing the occasional "pop"? The bike runs great. Should I just leave well enough alone?
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
Thank you Carlgrover for the " heads up". I just checked the numbers and they are 1100 cold, and drop down to 800 hot. That has not changed since I got the bike 5000 miles ago. It always starts easily and has never stalled. I purchased a new temp sensor at the same time I got the position sensor because the info I read on here seemed to hint that they go south at around 40,000 miles. I have the new temp sensor but have never had an indication that mine was bad. Do I turn the rpm up and go on, or put the new one in, or both? What is involved with raising the rpm? I have a manual and a friend that is a fair Indy but he knows nothing about the FI. I did inspect the exhaust and didn't detect a leak at the y. Is the low rpm possibly causing the occasional "pop"? The bike runs great. Should I just leave well enough alone?
Seasoned HDF Member
Joined: Oct 2007
Posts: 8,852
Likes: 2,493
From: Decatur, Alabama
Thank you Carlgrover for the " heads up". I just checked the numbers and they are 1100 cold, and drop down to 800 hot. That has not changed since I got the bike 5000 miles ago. It always starts easily and has never stalled. I purchased a new temp sensor at the same time I got the position sensor because the info I read on here seemed to hint that they go south at around 40,000 miles. I have the new temp sensor but have never had an indication that mine was bad. Do I turn the rpm up and go on, or put the new one in, or both? What is involved with raising the rpm? I have a manual and a friend that is a fair Indy but he knows nothing about the FI. I did inspect the exhaust and didn't detect a leak at the y. Is the low rpm possibly causing the occasional "pop"? The bike runs great. Should I just leave well enough alone?
The low rpm could be causing the popping on decal. It did on mine. Do make sure that your bike is hot when you do the adjustment and when you check the idle rpm too.
Carl
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