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Really needing some help. Bike is a 2006 softail standard. Recently had a 95" kit with andrews 37 cams and Fueling Adjustable pushrods installed. 9.5 compression and the heads were cleaned up (nothing radical). Various aftermarket exhausts and a big sucker intake. Started out with a power commander 3 for the tuner. Work was done at a local indy, I will no longer take my bike to him so please keep that in mind when replying.

Here's the problem. Picked up the bike and did the initial break in. During this time was easy on it varying the throttle but not hot rodding the thing. No real issues. After the breakin period found that bike was not running well at mid to higher RPM and didnt really have much of a power increase. Took it back to the shop and the response i needed to "tweak" the map on the power commander. Mech told me it wasnt getting enough fuel. I contacted Power Commander to confirm the map for the bike and modifications. Tried to manipulate the map manually over the course of a thousand miles or so. No luck. At about 3500 rpm and at half throttle (any gear and at any stage of a ride) the bike absolutely falls on its face. Acts like it is running on one cylinder. It will back fire and miss and generally run poor. If i throttle past it the bike just runs rough (loading up) but will run. Took it to a dyno tuner locally. What he said would take a few hours turned into a 2 day project with poor results. He found that at 3500 the bike fell flat. He worked on the map but could never really get dialed in. Numbers ended up at 69 hp and 89 tq. After researching more i decided to put a thundermax with autotune on the bike. Thinking the o2 sensors would be a valuable addition. This made a huge difference but did not resolve the issue.

This is what i have figured out at this point. The issue is with the front cylinder only. I have replaced the injectors to the 25 degree (adjusted the map accordingly). I have replaced the Map sensor and the throttle position sensor with no bennefit. I have replaced the fuel filter and inspected the hoses internally (no pinholes). At this point i am at a loss. i do not have any idea of what to check next. Is it possible that the front cam is a tooth off? If the mechanic got carried away with cleaning up the heads or gouged the front head could that cause a severe rich issue? The last two long trips i have done on the bike the fuel economy was in the mid to upper 20's (25-28mpg) riding alone. Any help would be greatly appreciated

Per some of the suggestions on the other page, i will be verifying compression and the pushrod adjustment.

 

You all so need to do a leak down test.

 

Sounds as if you are having real problems there, but to be frank there are limits to what we can diagnose from a distance. There are many things that can be fouling up the way your bike is running and most of all you need skilled help to diagnose what the cause is. IMHO there is something else wrong, not just fuel. The simplest way is to find an alternative indy or dealer.

 

Compression test, leakdown test, and check for sumping as well.
Report back here once that dedicated info is in your hands, and at that point a determination can be made.
Scott