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EVO Troubleshooting Help Needed

Jonas

Jonas

Junior Member
My brother's bike.

1998 Road Glide, stage 2 engine, S&S Super E carb, 24000 miles. Started making a chirping-squeaking sound. Most pronounced when giving more throttle at lower RPM's. Does not happen at a constant speed or accelerating at a higher RPM. Makes it more when warmed up. Seems like it may be coming from the carb area and may be a whistling instead of metal on metal contact. Is getting worse.
 
I'm certainly no expert but, Im thinking exhaust leak.

Bodeen
 
Run a compression test and check the pushrods, sometimes they rub inside the tubes
 
remembering back in my EVO days... my 97 dyna .....

I think i remember a problem with the stock oil return galley(cam chest),the squirrel cage mods I did and the replacement of the PLASTIC (if memory serves right) squirrel cage to a metal ones and replaced the plastic gears there also...

They are TIMED with the pistons up and down, careful!!! I know I also took a die-grinder and enlarged the area ( rounded block, removing sharp edges front of cage per instructions) for better flow of OIL and AIR flow from the pistons going up and down....?????????

MY noise was a WOOO hooo sound and right in tune with the pistons up n down.... thinking the above CURED the noise... (memory???)
This MAY NOT be the noise in yours but was in mine.. If all else fails look here....

TQ1 may have something he "remembers" here. seems he posted back on a similar post i did long ago...

hope this helps "food for thought"

signed....BUBBIE
 
BUBBIE said:
remembering back in my EVO days... my 97 dyna .....

I think i remember a problem with the stock oil return galley(cam chest),the squirrel cage mods I did and the replacement of the PLASTIC (if memory serves right) squirrel cage to a metal ones and replaced the plastic gears there also...

They are TIMED with the pistons up and down, careful!!! I know I also took a die-grinder and enlarged the area ( rounded block, removing sharp edges front of cage per instructions) for better flow of OIL and AIR flow from the pistons going up and down....?????????

MY noise was a WOOO hooo sound and right in tune with the pistons up n down.... thinking the above CURED the noise... (memory???)
This MAY NOT be the noise in yours but was in mine.. If all else fails look here....

TQ1 may have something he "remembers" here. seems he posted back on a similar post i did long ago...

hope this helps "food for thought"

signed....BUBBIE
Click to expand...

Bubbie I think you are talking about the breather valve, they were plastic and they ruined alot of them and scored the cam chest also. You could alter the screen and change the timming as you refered to here S S made a much better gear and better choices of washers for the end play
 
My brother called me this morning.

He has been working on this problem. He replaced parts on the intake seals, and exhaust gaskets, both helped. Then today on his way to work the front clyinder head gasket totally went.
 
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