My trusty Perkins diesel
has had two persistent problems since the start of the current
(1) a very stiff throttle lever on my pedestal
(2) limited RPMs -- not going above ~ 1200 when in gear
, vs 1800+ under way historically
A bit more info for any detectives who may be able to offer theories as to what's going on and how to improve the situation:
* Both problems are new this season and come on the heels of having my exhaust
manifold replaced during the offseason
* I believe the engine
runs at a much higher speed when in neutral than in gear
-- although I need to check this (certainly sounds like it)
* At idle, the engine
runs well below 1000 rpm
, so there is some ability to control the throttle.
* I've checked the propeller
shaft for obstructions and haven't found anything that might be slowing things down when in gear.
* The engine doesn't sound like it's laboring when in gear
* The throttle cable feeds through an old Yacht Specialities pedestal
; I've sprayed the exposed portion of the cable extensively with both PB Blaster and Boeshield to improve lubrication. It's only marginally better.
A quick youtube video is posted here: https://mail.google.com/mail/u/0/#se...e9?projector=1
Thanks in advance for any theories or solutions you may have!