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  Steering # of turns lock to lock

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Author Topic:   Steering # of turns lock to lock
FISHNFF posted 04-07-2001 12:34 AM ET (US)   Profile for FISHNFF   Send Email to FISHNFF  
What do most of you with Montauks have as your steering helm, 3:1 or 4.2:1? I replaced my Big T steering a couple of years back with a NFB 3:1 on my 75 Merc. I installed the 90 4-stroke last year and had the steering go out in two months (motor would wander, move shaft in tilt tube 1"+ while wheel straight. Last, motor went from center to hard over while trailering w/NFB). Replaced cable and helm and steering still feels tight. Ran a friends Montauk w/NFB and steered easy with very little torque. Discovered he had 4.2. Went to Whaler dealer and all cable steered boats (13'-17') had 4.2. Looks like I need to change helms again. What do you have?
triblet posted 04-07-2001 12:38 PM ET (US)     Profile for triblet  Send Email to triblet     
I have 4.2:1 (or there abouts -- I know it's
a bit over four turns lock to lock) 3:1 must
be real stiff.

But I'd look for a different problem. I
don't see how the streering ratio at the
help is going to cause a problem at the tilt
tube.

Chuck

FISHNFF posted 04-07-2001 12:50 PM ET (US)     Profile for FISHNFF  Send Email to FISHNFF     
Maybe it was just coincidence. Maybe having almost 400lbs of motor and greater mechanical advantage for the motor (1:3 vs. 1:4.2) working against the helm accelerated the problem. The 3:1 is rated for motors up to V-4 and less than 50MPH, while the 4.2:1 is rated up to a V-6. The size and weight of the 90 is very close to a V-6. Most V-4's are very compact. I just think it was bad luck and would feel better with the 4.2. Ideally I thought of hydraulic, but the 4.2 should be fine.
RWM posted 04-07-2001 01:57 PM ET (US)     Profile for RWM  Send Email to RWM     
Hey I was just about to order a 3.0 to 1 NFS for my Montauk. Now I'm rethinking about getting 4.2 based on what I'm hearing about stiffness. My old unit is 4.2 and felt fine...Bob M.
triblet posted 04-07-2001 03:36 PM ET (US)     Profile for triblet  Send Email to triblet     
If it ain't broke, don't fix it.
bdb posted 04-09-2001 10:11 AM ET (US)     Profile for bdb  Send Email to bdb     
I insatalled a 3. last year and am not satisfied. It steers a 70hp Evinrude and is so stiff the 1st thing I did was look for kinks, binds, burrs in the tube etc. Next step will be 4.2 or hydraulic.

One of the problems stems from Teleflex not providing a good application guide for their products, i.e. specific benefits of each system. Using their literature I opted for the 3. The other part of the problem was my stupidity in not applying basic principles of mechanical advantage when shopping.

RWM posted 04-09-2001 10:15 AM ET (US)     Profile for RWM  Send Email to RWM     
Saved again from my own stupidity by the people on this site. 4.2 to 1 it is...thanks much...Bob.
RMS posted 04-09-2001 11:31 AM ET (US)     Profile for RMS  Send Email to RMS     
Last year I installed the 4.2 rotary NFB on my 17' with 90hp. Works great. I have heard that sometimes the NFB units tend to 'pack' all the grease in the head unit to one area of the head causing problems. Solution is to take apart and add or redistribute grease. Good luck.
FISHNFF posted 04-09-2001 05:29 PM ET (US)     Profile for FISHNFF  Send Email to FISHNFF     
My marine dealer will swap out my 3:1 for a 4.2:1 helm. Will do later today. Thanks all!

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