blacksapphirez
Jetboaters Captain
- Messages
- 1,170
- Reaction score
- 943
- Points
- 237
- Location
- Charleston, SC
- Boat Make
- Yamaha
- Year
- 2020
- Boat Model
- SX195
- Boat Length
- 19
so I got brave and tore up my engine... na it wasn't that bad. just removal of the air filter and throttle body. I saw the AR190 write up and thought i have to remove the entire intake manifold but na our's is bit easier. 13mm and a hex bit
that flame arrestor is in there very tight...had to fight a good bit to get it out without damaging the aluminum intake manifold... but gained 2mph and 200~250rpm. Very quick BUT...cavitates out of the hole. may need higher pitched impellers ...
![](http://i618.photobucket.com/albums/tt261/BlackSapphireZ4/2012%20Yamaha%20SX190/WP_20150926_014_zpsemnchni3.jpg)
![](http://i618.photobucket.com/albums/tt261/BlackSapphireZ4/2012%20Yamaha%20SX190/WP_20150926_020_zpspyrn7nup.jpg)
![](http://i618.photobucket.com/albums/tt261/BlackSapphireZ4/2012%20Yamaha%20SX190/WP_20150926_017_zpsrlr7bogp.jpg)
![](http://i618.photobucket.com/albums/tt261/BlackSapphireZ4/2012%20Yamaha%20SX190/WP_20150926_016_zpskvco6ovc.jpg)
![](http://i618.photobucket.com/albums/tt261/BlackSapphireZ4/2012%20Yamaha%20SX190/WP_20150926_046_zpsfao6e23c.jpg)
![](http://i618.photobucket.com/albums/tt261/BlackSapphireZ4/2012%20Yamaha%20SX190/WP_20150927_006_zpsv4ya1clp.jpg)
that flame arrestor is in there very tight...had to fight a good bit to get it out without damaging the aluminum intake manifold... but gained 2mph and 200~250rpm. Very quick BUT...cavitates out of the hole. may need higher pitched impellers ...
![](http://i618.photobucket.com/albums/tt261/BlackSapphireZ4/2012%20Yamaha%20SX190/WP_20150926_014_zpsemnchni3.jpg)
![](http://i618.photobucket.com/albums/tt261/BlackSapphireZ4/2012%20Yamaha%20SX190/WP_20150926_020_zpspyrn7nup.jpg)
![](http://i618.photobucket.com/albums/tt261/BlackSapphireZ4/2012%20Yamaha%20SX190/WP_20150926_017_zpsrlr7bogp.jpg)
![](http://i618.photobucket.com/albums/tt261/BlackSapphireZ4/2012%20Yamaha%20SX190/WP_20150926_016_zpskvco6ovc.jpg)
![](http://i618.photobucket.com/albums/tt261/BlackSapphireZ4/2012%20Yamaha%20SX190/WP_20150926_046_zpsfao6e23c.jpg)
![](http://i618.photobucket.com/albums/tt261/BlackSapphireZ4/2012%20Yamaha%20SX190/WP_20150927_006_zpsv4ya1clp.jpg)