TinBoats.net
The original aluminum boat site!
Forums
New posts
Search forums
Blog
What's new
New posts
New media
New media comments
Latest activity
Media
New media
New comments
Search media
Members
Current visitors
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Jet Boats
General Jet Boat Discussions
Yamaha 70hp Conversion
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Help Support TinBoats.net:
This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
Message
<blockquote data-quote="Vol423" data-source="post: 492014" data-attributes="member: 6621"><p>I have done the conversion. Unfortunately the pump is the same one used for the 60 Yamaha motor. So with the rpm the same you get 60 HP performance from your 70 HP motor. The man Who bought the boat loves it. The 70 is a great prop motor. I would suggest selling that and buying a jet. For conversion You need to buy the pump for about $2500 retail. 9 month back order the last time I bought a pump in 2022. Shift and throttle cables might need to be changed. You need to raise the motor on the transom. I suggest a mini jackplate for about $900. You may need to get extension plates also. About $120.</p></blockquote><p></p>
[QUOTE="Vol423, post: 492014, member: 6621"] I have done the conversion. Unfortunately the pump is the same one used for the 60 Yamaha motor. So with the rpm the same you get 60 HP performance from your 70 HP motor. The man Who bought the boat loves it. The 70 is a great prop motor. I would suggest selling that and buying a jet. For conversion You need to buy the pump for about $2500 retail. 9 month back order the last time I bought a pump in 2022. Shift and throttle cables might need to be changed. You need to raise the motor on the transom. I suggest a mini jackplate for about $900. You may need to get extension plates also. About $120. [/QUOTE]
Verification
Post reply
Forums
Jet Boats
General Jet Boat Discussions
Yamaha 70hp Conversion
Top