Timing V6 135 mercury 1989

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grant1

Cadet
Joined
Mar 20, 2011
Messages
11
I wondered if anyone can guide me through checking the timing on my 135 v6 mercury 1989,its the model with carbs, my manual still hasnt arrived and I would feel more comfortable if I check the igition timing proir to using it at the weekend, can anyone run me through the setting it should be at,I have noticed the markings on the flywheel,but am unsure of the procudure,not sure which plug is classed as No1(if thats the one to connect strobe to)not sure the revs/degrees to check,it does have the plastic cowling over the flywheel with ajustable pointers on too,
I thank you in advance
With best regards
Grant
 
Barnacle_Bill

Barnacle_Bill

Admiral
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Feb 8, 2004
Messages
6,469
Re: Timing V6 135 mercury 1989

Best to wait until you get your manual. There is a certain procedure that must be followed to do this correctly. Look for link & sync in your manual.
 
G

grant1

Cadet
Joined
Mar 20, 2011
Messages
11
Re: Timing V6 135 mercury 1989

But it wont be here before the weekend and I need to use the boat on sunday, Thats why I was hoping someone might be able to post me a link with the procedure or run through the pointers, but I thank you for your advice.
Grant
 
A

aussieflash

Lieutenant Junior Grade
Joined
Feb 5, 2011
Messages
1,004
Re: Timing V6 135 mercury 1989

Looks like we have same motor though mine is 88 V6 135. 1.Throttle Pick up 11d ATDC.
2.maximum spark advance Timing 16d BTDC.3. At cranking speed 18d BTDC.Also #1 plug is top plug on starboard side.About to do my carbs so would love to hear how you go as I will have to do it myself.
 
j_martin

j_martin

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Joined
Sep 22, 2006
Messages
7,474
Re: Timing V6 135 mercury 1989

The timing pointer is adjujstable on that engine. The timing doesn't mean anything at all unless you go through the linkage adjustment and timing procedure which, among other things, checks and sets that pointer position. If you just slap a light on it, you may actually mis-adjust the timing.
 
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