View Thread
Before Posting, Please Read Our Posting Guidelines Below.

1. Use the full 4 digit year for everything you are asking your question about. Example: 1962, 1988, 2000, 2011
2. Include the correct name of your Whaler model. Example: Montauk 17, Montauk 170, Outrage 26, Outrage 260
3. Include the length when necessary. Example: 16, 17, 18, 20, 22
4. Do not post your email address anywhere on this site as it is already in your user profile.

 Print Thread
1990 70HP Johnson Throttle / Timing
garrett007
#1 Print Post
Posted on 04/11/09 - 8:48 AM
Member
Personal Page

Posts: 9
Comments: 0
Joined: 02/22/09

Does anyone have the instructions from a manual as to how to properly adjust linkage between carb / throttle and timing?
Thanks
Gary

 
Derwd24
#2 Print Post
Posted on 04/11/09 - 11:37 AM
User Avatar
Member

Posts: 1607
Comments: 9
Joined: 05/09/07

From the manual: "On the starboard side of the powerhead, loosen the screw on the roller arm of the throttle shaft and move the roller until the short mark on the throttle cam is aligned with the center of the cam follower JUST as the roller makes contact with the cam. Tighten screw securely to hold adjustment.

Mount the engine in a test tank, Start and warm the powerhead to normal op temp and shift into FWD gear at idle speed, aim timing light at decal on flywheel. Primary pickup timing for the 70 HP is 3-5 degrees ATDC. If an adjustment is req'd lengthen the throttle cable rod to increase timing, shorten to decrease"

Hope that helps...


Dave - 1983 Outrage 22
 
Mr T
#3 Print Post
Posted on 04/12/09 - 8:10 AM
Member
Personal Page

Posts: 230
Comments: 0
Joined: 07/07/08

Anyone know if that procdure works on a SPL of the same yewar?

Mine seems te be bogging down at acceleration, right off idle. It seems the timing is not advancing correctly,

 
flboy0638
#4 Print Post
Posted on 04/12/09 - 4:04 PM
Member
Personal Page

Posts: 172
Comments: 0
Joined: 02/11/09

Mr T wrote:
Anyone know if that procdure works on a SPL of the same yewar?

Mine seems te be bogging down at acceleration, right off idle. It seems the timing is not advancing correctly,


Mr T,

Go get in your boat and try to accelerate again. When it bogs down press / hold your choke. If your boat attemps to "not bog" or "accelerate"..., its your carbs. They need rebuilding.


Edited by flboy0638 on 04/12/09 - 5:00 PM
 
Jump to Forum:
Bookmark and Share
Today's Date & Time
November 26, 2024 - 4:25 AM
Visit our Sponsors
Specialty Marine - Parts and Accessories


Nauset Marine - Whaler Parts and Accessories


Wm. J. Mills and Co. - Boston Whaler Canvas


Carver Covers - The Best Covers Under The Sun



Click on logo to visit site
View all Sponsors Here
Users Online
Welcome
AuntiesMontauk
as the newest member

· Guests Online: 9
· Members Online: 0
· Total Members: 50,390
Login
Username

Password

Remember Me


Not a member yet?
Click here to register.

Forgotten your password?
Request a new one here.
Top 5 Models Posted
· Montauk 17 1,638
· Sport 13 1,366
· Outrage 18 556
· Nauset 16 402
· Sport 15 365

View all Models Here
Render time: 0.17 seconds Copyright WhalerCentral.com © 2003-2024 86,560,555 unique visits