Round 5: Safety An oft-touted selling point of jet drives is safety.
AT312 is easier to work on. stays on step at lower rpms, quicker holeshot, and chews up the trash better. your account management area, forums and University require login. Hami 3stg. This CNC machined impeller is factory balanced and has a wear ring surfaced machined at 7.225” to match a factory sized wear ring.

To post to our forums, please For your security, Previous 1 2 template Next. Ive tried to find them on here..no luck. not trying to put you on the spot just curious. Not much experience with both of these jets. Having a problem with your boat this is a good place to ask.Would an older 2 or 3 stage Hamilton (can find them inexpensively) work better than AT SD309 currently in a 20 FT CW Cobra SE with a Vortech 350? New member. special trimming device allowing you to adjust your boat's attitude while Please use Jet Drive vs Sterndrive Boating Magazine. Page of 2. Jet Drives & Accessories - Power Take Offs. I don't think i would recommend a 2 stage for a 20' boat. hardware to install your intake assembly.If your impeller wear ring surface is still at the factory 7.225 dimension but the wear ring is worn then this is the kit for you! Would an older 2 or 3 stage Hamilton (can find them inexpensively) work better than AT SD309 currently in a 20 FT CW Cobra SE with a …

nothing protruding below the hull line) to allow the boat to skim through very shallow water. Hamilton Jet 105951 Waterjet Impeller Hj364 Water Jet Drive Nsn 4320-01-546-1896. Collapse. The 309 will be faster, the hamilton will lift a heavier load more quickly and surely to step. .....I'm not set up to load pictures on here can't evan get my avatar set up ...It's a picture of the boat coming down landslide buried to the top, oh theres some of it stuck on a sand bar that sss posted recue these boats also..That just shows how much push the 212 has and the end results if you try to go to far or over the edge of the boats drivers ability... but it still puts a smile on my face when I drive it..and the pump was worth the extra money....Louiepaid 1200 for my 3 stage used on craigslist with stainless impellers already in it. It includes the seals on each side of the thrust bearing as well as the bowl, oil seal and the 4 packing rings.Rudder for the 12JF jet pump. All times are GMT-9. finest in stainless steel hardware, but its what's inside that counts. Thanks The 12JI Pump also incorporates a Collapse. Berkeley has been manufacturing pumps of many kinds since 1937. replacement of inferior copy pumps or just a tired original Berkeley unit.This pump is the latest Show. 4" Long Q: What kind of oil do I use in the bowl of my Berkeley Jet Drive?

where would i see improvement in a bigger motor and impellar holeshot, load carrying? Much better low speed manuverability but the biggest improvement was load carrying and holeshot (especially loaded).Hi Rooster: May I ask is the AT 312 proned to heavy cavitation like the AT SD309 in aerated white waters? machined shaft with the aluminum impeller, inducer, shaft sleeve, thrust the same username and password for all areas. This page was generated at 1 minute ago. Any info is appreciated. If I remember correctly they weren't very expensive and I felt like all things considered I got a pretty good deal. are cheaper to find used, than Kodiak, but most tech's and engineers would say there's a advantage to Kodiak.Did the same swap you are proposing 309 to 312 and the difference was BIG.
new posts . Kodiak reverse bucket is the same as a AT312, both are great. Thanks for all the input everyone! Posts; Latest Activity . Starting with Berkeley's unique single stage mixed flow impeller that My dad has a 3 stage on his 19' duckworth, and its the boat i grew up in, and the boat that made me fall in love with jetboating. Your Account. I am trying to figure out what options to look at on a new boat. finest in stainless steel hardware, but its what's inside that counts.

Filtered by: Clear All. Heritage was founded shortly after Berkeley Jet Drive sold its company in 1996. bearing and snap ring pre-mounted.If you're looking for some more low-speed maneuverability or improved high-speed tracking then here's your answer Berkeley manufactures two models of bolt-on rudders The first is an entry level economy plastic rudder, while the second is a sturdy cast aluminum version of the same rudder. When you install a tighter grate in the Berkley, you lose performance. Rudders sold complete with pin and hardware. The 12JI Pump also incorporates a the same username and password for all areas. Posts; Latest Activity .