Compression test on a 660 - Yamaha Rhino Forum - Rhino
Yamaha Rhino Forum

Compression test on a 660

This is a discussion on Compression test on a 660 within the Tutorials forums, part of the Technical category; Picked up a used engine for my 07 Rhino. Any idea what numbers i should be looking for on a compression test?Thanks...

Go Back   Yamaha Rhino Forum - Rhino > Technical > Tutorials

Tutorials How To Guides for Modifications, Bolt-Ons, Maintenance and Troubleshooting - Pictures make it better!

LinkBack Thread Tools Display Modes
  #1 (permalink)  
Old 04-05-2012, 07:35 AM
Join Date: Oct 2007
Location: South Georgia
Posts: 81
View MartinD's Photo Gallery(0)
Compression test on a 660

Picked up a used engine for my 07 Rhino. Any idea what numbers i should be looking for on a compression test?Thanks
Reply With Quote
Sponsored Links is the premier Yamaha Rhino UTV/ATV Forum on the internet. Registered Users do not see these ads. Please Register - It's Free!
  #2 (permalink)  
Old 04-05-2012, 07:57 AM
str8tjaket's Avatar
Gear Grinder
Join Date: Jun 2011
Posts: 218
View str8tjaket's Photo Gallery(0)
i believe you have to do a leakdown test
Reply With Quote
  #3 (permalink)  
Old 04-05-2012, 09:20 AM
CamShaw's Avatar
Site Supporter
Premium Member
First Name: Cameron
My Rhino: 2-07 660s
Join Date: Jan 2007
Location: garden grove, ca
Posts: 7,737
View CamShaw's Photo Gallery(0)

I heard there was a test sequence in the manual for checking compression with the decompression release intach, never checked into it....let us know...
07 rhino,camo,bilsteins,camshaw 727,HSR carb,custom clutching,camshaw spindles,custom cage,bed delete,all go fast rzr eater! 714 883 6171
Reply With Quote
Sponsored Links
  #4 (permalink)  
Old 04-05-2012, 09:49 PM
First Name: Chad
My Rhino: 2006 660 Camo
Join Date: Feb 2012
Location: Ca.
Posts: 118
View knoxxx29's Photo Gallery(0)
I just went throught this and scared the crap out of me @ 70 lbs. So I made some calls and found out to get the best result with a compression test and not a leak down test.

1 Make sure battery is fully charged.

2 Make sure you use a good tester not a Harbour Freight.

3 Push the throttle to the floor when cranking.

I ended up @ 130lbs up from 70 after making these changes which was a little low but my valves were extremely tight so after the valve adjustment I am positive it would read where it should. I do not know for sure but I believe the 660 should be around 185 lbs.
Reply With Quote

Lower Navigation
Go Back   Yamaha Rhino Forum - Rhino > Technical > Tutorials

Search tags for this page

50lbs comression rhino 660

check rhino 660 compression
compression on yamaha rhino
compression ratio for rhino 660
how much compression should a rhino 660 have
how much is the compression on a 2000 yamaha grizzly 600?
raptor 660 compression

rhino 660 compression


rhino 660 compression test

what is the best way to test comprsion on a grizzly
where is the compresion release on a 600 grizzly
yamaha grizzly 660 compression test
yamaha raptor 660 compression test

yamaha rhino 660 compression

you tube 660 grizzly compretion test
Click on a term to search our sites for related topics.

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

All times are GMT -7. The time now is 10:39 AM.

vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd. is not associated with Yamaha in any way. We are an enthusiast site dedicated to the Yamaha Rhino. Our goal is to offer a place for Yamaha Rhino owners to discuss rides, events, mods, maintenance, purchasing, etc and offer help and assistance.