User Tag List
Thanks: 0
Likes: 0
Results 1 to 5 of 5
Thread: lower unit / gear ratio ?
-
08-19-2006, 02:29 PM #1
lower unit / gear ratio ?
i have a 91 mariner 175. with my lower unit off, what is the best way to determine the gear ratio of my lower unit?.....................dave
91 hydrostream vasseret w/175.......
-
08-19-2006, 02:42 PM #25000 RPM
- Join Date
- Feb 2006
- Posts
- 423
- Thanks (Given)
- 0
- Thanks (Received)
- 0
- Likes (Given)
- 0
- Likes (Received)
- 0
- Mentioned
- 0 Post(s)
- Tagged
- 0 Thread(s)
ratio
mark both shafts and turn the drive shaft (in forward) clockwise if it takes just under two complete rotations to make one full turn of the prop shaft, it is 1.87:1 ..... if it takes two complete turns it is 2:1
-
08-20-2006, 09:08 PM #3
2 TURNS ON THE DRIVE SHAFT....TO 1 TURN ON THE PROP =2:1
NOT QUITE 2 TURNS ON THE DRIVE SHAFT TO 1 TURN AT THE PROP SHAFT = 1.87:1 ...Jay....
p.s.CHECK YOUR VOLTAGE REGULATOR...................................MARINER RACING
...............HIGH PERFORMANCE ENGINE BUILDING AND MACHINING
....MAKER OF THE WORLD FAMOUS 1 INCH PLASTIC SPACER PLATE
...SPECIALIZING IN 2.4+2.5 CARBURETED AND STEEL BORE MOTORS
-
08-20-2006, 09:16 PM #45000 RPM
- Join Date
- Feb 2006
- Posts
- 423
- Thanks (Given)
- 0
- Thanks (Received)
- 0
- Likes (Given)
- 0
- Likes (Received)
- 0
- Mentioned
- 0 Post(s)
- Tagged
- 0 Thread(s)
Originally Posted by MARINER RACING
-
08-21-2006, 12:38 AM #5
you caught me jay
Originally Posted by riverrunner11491 hydrostream vasseret w/175.......