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New BF75D idles rough

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bastropdan

New member
This is my first post here. I purchased a BF75D BBAJ1100072 engine this past summer. It is mounted on an 18' Alumacraft that I rebuilt and they make a really good setup. I am using the rig in central Texas, about 30 miles SE of Austin. The problem is with the engine. It has a really rough idle upon starting and it takes it about 5 minutes to smooth out. Even then it hesitates and stutters when going into gear, and also idles rough after a re-start when fishing. Also, the lower unit makes some pretty scary rattling noises when I put the engine in reverse. This engine is brand new and it seems to have some problems that a new engine shouldn't have. I have listened to other brands while launching at the boat dock and they don't seem to have these issues. The dealer explains the rough idle as the engine "searching for balance" until it smooths out. Huh? The lower unit noise is explained as nothing to worry about. Is this a normal behavior for a new Honda engine? I figured Honda would be top of the line, but, so far, it has proven to be sick and noisy. If anyone out there would care to relate their experiences with their engines, I sure would appreciate it.
 
If you are shifting the motor on a hose out of water, especially with a stainless prop, there will be a scary chatter. If you are getting it with the motor in the water, make sure you are shifting into reverse fast enough. Do not shift slowly, or the clutch dog will ratchet.

I can not say I have noticed much rough idle in any that I have water tested.

Since you are not satisfied with the dealer's response and the motor is so new, you should give Honda Customer Relations a call and discuss with them. They will look into it and will follow up. Their info is:

Hours of Operation: 8:30 – 6pm EST
Phone #: 770-497-6400
Address:
Honda Power Equipment
Attn: Customer Relations
4900 Marconi Drive
Alpharetta, GA 30005-8847

Information we need when you contact Customer Relations Office:

  • Your name and address
  • Owner’s name and address if different from above
  • Full Model Name and serial number Find your model and serial number.
  • Date of Purchase
  • Selling Dealer
  • Description of problem
Mike
 
hondadude said:
If you are shifting the motor on a hose out of water, especially with a stainless prop, there will be a scary chatter. If you are getting it with the motor in the water, make sure you are shifting into reverse fast enough. Do not shift slowly, or the clutch dog will ratchet.

I can not say I have noticed much rough idle in any that I have water tested.

Since you are not satisfied with the dealer's response and the motor is so new, you should give Honda Customer Relations a call and discuss with them. They will look into it and will follow up. Their info is:

Hours of Operation: 8:30 – 6pm EST
Phone #: 770-497-6400
Address:
Honda Power Equipment
Attn: Customer Relations
4900 Marconi Drive
Alpharetta, GA 30005-8847

Information we need when you contact Customer Relations Office:

  • Your name and address
  • Owner’s name and address if different from above
  • Full Model Name and serial number Find your model and serial number.
  • Date of Purchase
  • Selling Dealer
  • Description of problem
Mike
Click to expand...

Thank you for your reply.
 
Searching for balance? BWAHAHAHAHA! Yep, I joined an "encounter" group when I was searching for balance back in the 70's. Come to find out, I was smoking the wrong kinda cigars.

You are wise not to accept this sort of junk science coming from a dealer. Run away quickly and find someone that knows how to work on outboards. Let your common sense be your guide as it has already weeded out this shiester.

I hope hondadude's contact info gets you some help but I would still be very wary of this dealership and would tell the regional contact of my concern about the BOGUS advice I've already been given. Hopefully, they can refer you to another business run by professionals that is not 200 miles away. Good luck.
 
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