iboats - The #1 Store For Everything Boating
 
  #1  
Old April 27th, 2004, 08:37 AM
Bozo Bozo is offline
Seaman
 
Join Date: Aug 2002
Location: Houston, TX
Posts: 59
Default '90 Yamaha 115 Choke?

If I use the electric choke at the helm, the motor is extremely hard to cold start. However, if I use the manual choke on the front of the motor, it will kick off and start right away.I have taken the cowling off and ensured that the electric choke is working to the best of my ability. The solenoid is affixed to the air intake cover so I can't actually see that the butterflies are closing but, the actuator arm moves and it is connected to the butterflies so, I can only presume that the it is working properly.Does the manual choke do something other than close the butterflies like advance the timing?Is this common or is this indicative of a problem?
Reply With Quote
  #2  
Old April 27th, 2004, 08:45 AM
ddaigle ddaigle is offline
Petty Officer 1st Class
 
Join Date: Feb 2004
Location: Los Fresnos, TX
Posts: 327
Default Re: '90 Yamaha 115 Choke?

The electric choke may not be closing all the way, sometimes they stick or get dirty. It doesnt take a lot of opening of butterflies to ruin the choke effect. Had an old chrysler that did the same thing.
Reply With Quote
  #3  
Old April 27th, 2004, 10:33 AM
jim dozier jim dozier is offline
Lieutenant Commander
 
Join Date: Jan 2003
Location: St. Petersburg, Florida
Posts: 1,970
Default Re: '90 Yamaha 115 Choke?

Pull off the airbox that covers the carb throats and verify that the choke butterflies are COMPLETELY closed. The choke has to close all the way to work properly. My guess is that the manual choke is closing properly but for some reason the electric choke is only going partly closed. The eyes on the engine should bug out when you choke it.
Reply With Quote
  #4  
Old April 27th, 2004, 11:03 AM
Bozo Bozo is offline
Seaman
 
Join Date: Aug 2002
Location: Houston, TX
Posts: 59
Default Re: '90 Yamaha 115 Choke?

The choke actuator solinoid is mounted to the airbox. If I remove the air box, then I have to disconnect the actuator arm from the butterflies and hence shoot myself in the foot on what I am trying to accomplish.I am sorry if I am not being clear on the terms used but, it is the best I can do to describe the situation. The airbox is a solid piece of plastic that mounts directly to the carbs. It isn't like Evinrude motors that have an airbox cover plate that would allow you to view the butterflies while the main airbox assembly remains affixed to the carbs.However, you are probably correct in the fact that maybe the butterflies aren't closing all the way for some reason.
Reply With Quote
  #5  
Old April 27th, 2004, 11:20 AM
ddaigle ddaigle is offline
Petty Officer 1st Class
 
Join Date: Feb 2004
Location: Los Fresnos, TX
Posts: 327
Default Re: '90 Yamaha 115 Choke?

When you use the manual choke if you can see the linkage move, compare it to the movement of the electric choke. One may move farther than the other. If you can see the linkages, I dont really know. try cleaning and lubricating anything you can reach related to this. Also, check electrical connections for corrosion etc.
Reply With Quote
  #6  
Old April 27th, 2004, 04:06 PM
rodbolt rodbolt is offline
Supreme Mariner
 
Join Date: Sep 2003
Location: Kitty Hawk NC
Posts: 16,792
Default Re: '90 Yamaha 115 Choke?

hello the choke on that motor has an adjustable solinoid. you may wish to raise the bracket slightly there is also some problems with the starter will draw more than the old cables can supply and the choke solinoid loses out.if the4 adjustment does not work test the voltage drop on the cables. good luck and keep posting
Reply With Quote
  #7  
Old April 27th, 2004, 08:18 PM
Bozo Bozo is offline
Seaman
 
Join Date: Aug 2002
Location: Houston, TX
Posts: 59
Default Re: '90 Yamaha 115 Choke?

Thanks for all the info guys. I'll give them all a look see.Worst case scenario is that I have to continue to walk the 8 feet back to the motor prior to cranking it up. (if that was my only problem in life I'd be set.)
Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
YAMAHA 55EL choke. jurgenscraft Yamaha & Suzuki Outboards 1 September 18th, 2005 01:09 AM
Yamaha 200 hp choke, rpm, carburator abbe1 Yamaha & Suzuki Outboards 1 June 13th, 2005 04:27 PM
yamaha choke not working cartie Yamaha & Suzuki Outboards 1 May 7th, 2005 02:23 PM
Yamaha 9.9 choke question gator79 Yamaha & Suzuki Outboards 0 July 14th, 2003 04:52 AM
need set of choke butterflies for Yamaha 150 murastp Yamaha & Suzuki Outboards 0 May 1st, 2001 06:42 AM

iboats Forum Directory
Over 100,000 forum posts organized by topic
Outboard Motor Topics
Mercury Outboards
Johnson Outboards
Evinrude Outboards
Force Outboards
Yamaha Outboards
Mariner Outboards
Suzuki Outboards
Honda Outboards
Chrysler Outboards
Tohatsu Outboards
Nissan Outboards
Outboard Motors: non-repair
Vintage Outboards

I/O and Inboard Topics
MerCruiser
OMC I/O, Inboard
Volvo Penta

Propeller Help
Boat Propellers

Boat Repair and Products
Boat Building and Repair
Fiberglass Boat Repair
Marine Electronics
Boat Trailers and Towing
Boat Names
Boat Covers
Boat Parts

Boating Activities Talk
Boating Topics and Questions
Boating Activities and Destinations
Boating Blunders
Boat Shows
Wakeboarding
Water Skiing

Fishing Discussions
Freshwater Fishing
Saltwater Fishing

Boat Type Topics
Aluminum Boats
Bass Boats
Bowrider Boats
Center Console Boats
Cruiser Boats
Cuddy Cabin Boats
Deckboats
Fishing Boats
Fish and Ski Boats
Houseboats
Jet Boats
Jon Boats
Pontoon Boats
Powerboats
PWC Forum
Ski Boats
New Boats
Used Boats

Boat Manufacturers
Boats 250+ Manufacturers
Bayliner Boats
Sea Ray Boats
Zodiac Boats



Outboards

Power Heads

Lower Units

Propellers

Inflatable Boats

Boat Manuals

Engine Parts

All times are GMT -4. The time now is 06:33 PM.