Is there a bad year for a twin cam engine
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Cruiser
Joined: Apr 2009
Posts: 164
Likes: 0
From: Torrance California
Is there a bad year for a twin cam engine
I have an 09 FXDC.I am thinking about buying a used Streetglide. I thought I read that the 06 had some problems that Harley fixed later any input?
Extreme HDF Member
Joined: Sep 2006
Posts: 10,114
Likes: 29
From: Vancouver B.C. Canada
All TC88 have cam chain tensioners and inner bearings problem, the tensioner springs are too strong, putting a lot of pressure on the chain guides, they wear out so fast that you wouldn't believe. The only fix is hydraulic tension cam plate upgrade, that will save you a lot of trouble, the torrington b-148 bearings replaced the stock ones. Nothing bad about a TC88, they are as good as 96 if you have a new auto chain tensioner system installed. I used to have a 06 Fatboy, don't ask me how I know. 
All TC88 have cam chain tensioners and inner bearings problem, the tensioner springs are too strong, putting a lot of pressure on the chain guides, they wear out so fast that you wouldn't believe. The only fix is hydraulic tension cam plate upgrade, that will save you a lot of trouble, the torrington b-148 bearings replaced the stock ones. Nothing bad about a TC88, they are as good as 96 if you have a new auto chain tensioner system installed. I used to have a 06 Fatboy, don't ask me how I know.
Extreme HDF Member
Joined: Sep 2006
Posts: 10,114
Likes: 29
From: Vancouver B.C. Canada
Yeah that too, gear drive is good but I can't stand for the whining sound lol. Don't forget the new cam plate unit has a better oil pump, you basically upgrade the lubrication system at the same time. And yes the crank material is better prior to 02 model, I don't understand why HD wants to cut cost and build a cheaper crankshaft, it doesn't make sense to me.
All TC88 have cam chain tensioners and inner bearings problem, the tensioner springs are too strong, putting a lot of pressure on the chain guides, they wear out so fast that you wouldn't believe. The only fix is hydraulic tension cam plate upgrade, that will save you a lot of trouble, the torrington b-148 bearings replaced the stock ones. Nothing bad about a TC88, they are as good as 96 if you have a new auto chain tensioner system installed. I used to have a 06 Fatboy, don't ask me how I know.
Extreme HDF Member
Joined: Sep 2006
Posts: 10,114
Likes: 29
From: Vancouver B.C. Canada
Mileage vary, some went at 30000miles or earlier. Andrews make a cam plate as well do a search.
Tourer
Joined: Dec 2010
Posts: 460
Likes: 1
From: Frisco TX
Some of the 06 Dynas had stator problems and inner primary alignment issues, have not heard of any on the Touring bikes.
Last edited by Energy-Dude; Oct 12, 2011 at 09:22 PM. Reason: Details
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Outstanding HDF Member
Joined: Aug 2009
Posts: 2,938
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From: NC
Not the only fix, if your crank runout is in spec you can go gear drive. The crankshafts on the 99-02 were more sturdy than the later bikes so more likely to check out for gear drive. I'm doing a 97ci build this winter, going gear drive if all checks out, otherwise I will do the SE hydraulic kit
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Seasoned HDF Member
Joined: Oct 2006
Posts: 5,977
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From: Nevada
The early 06's had injector issues. See if you can determine if the injectors are the updated 25 degree.
Road Master
Joined: Aug 2006
Posts: 837
Likes: 1
From: Radcliff, Ky
it being a 06 STREET GLIDE and a touring configuration, a 5 speed, they only things i know they had were cam chain tensioners, the 8* injectors, and adding the auto adjusting primary chain would be a plus..