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try a good decarb product Merc POwer TUbne ... a bottle of seafoam in a 2gal of fresh agas... some like seafoam some don't .. but try it

well... I just noticed you have been on the ETEC board :) I doubt you will get better help than the ETEC folks.... no offense to anyone. I hope you find an inexpensive fix buying a used ETEC without a good service check is always risky....

injectors need fuel.. it think 30psi is needed and you need to check that. the lift pump can be bad as well as the high pressure pump on the vst you have a VST and like other VST your may have a "non-displayed" on the parts diagram cone filter ......which can be clogged. it is...

thanks for your feedback... which wire where ??

when it does go with a shot of starter fluid try pumping the fuel hose to see if it keeps going .... if yes the fuel pump my need a close look at seems we had a case some time ago when the little crooked tube (part #4) which feeds the idle circuit was an issue. make certain the idle...

if you have no water in the gearcase don't worry about it to much

true... yet my ETEC still purrs and roars after 16 years :-) but I know it won't last 50 years like carbies.

probably loves gas a lot compared to an ETEC or other injector models!

thanks for your feedback...we all learn from feedback

ground to pump.. 2-3 feet . may be a bit high have you tried a normal 12 inches or so... if ok pump is good ..for now

impellor is not a big costly job... why not change it instead of risking broken parts going up and blocking water circulation temps at 80 measured where ?? did you scan the PH with an infrared meter to check block temps by the looks of it thermosttat may be open so you may as well...

car auto-body shop may be able to fix it up not to expensively compared to a new cover.... shop around all depends how bad it is .........cracked only or missing parts ?? I fixed up my ETEC 75 hp lower housing halves with UV glue afew years ago. still holding strong

this site has seen some pretty ugly ones but your rig looks nice & If it lived so long it was cared for. check the transom for abnormal flex... if it was run regularly it may just need fresh gearcase oil if no water intrusion detected , a new impeller and a good shot of quality...

How to Rebuild Ignition Magneto Disassemble Assemble Clean Test 1968 9.5 HP Johnson MQ-14D - Bing video

actually there is an excellent utube in 2 parts on the 9.5 carbs... the rest is electricals (coils condensers points timing and plug wires) scan utubes there are good ones on rebuilding the ignition which is not that complicated. timing with a vom is also easy see video and you won't...

it is called a bucket see pic of my "stuck" 9.5hp... $50 CDN :-) took me a week to unstuck it... has been running great for a few years now... just hard to start it is addicted to morning shot of carb cleaner ...

expect compression from the mid 60'S to mid 70s higher would be better but work fine at 65-70 psi

change impelller change gear oil look for water ... if water may need a GTC reseal test for strong spark 73 coils may be still good points may or likely need clean or replacement as well as condensers a good carb clean up won't hurt but it may function without one depending...

see doc on 9.5hp aka turtle

flywheel is now unballanced.....not good :-(