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Charles
Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3383
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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I have a suzuki 4 stroke..I have to choke engine each time

Customer Question

I have a suzuki 4 stroke..I have to choke engine each time before starting no matter how long it's ran..today I got some constant vibration and when put into reverse it dies
JA: Sometimes things that you think will be really complicated end up being easy to fix. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. Tell me a bit more about what's going on so the Marine Mechanic can help you best.
Customer: It runs fine in forward except for the vibration
JA: Is there anything else the Marine Mechanic should be aware of?
Customer: That's about it
Submitted: 6 months ago.
Category: Boat
Expert:  Jason replied 6 months ago.

Hello my name is ***** ***** am I speaking with?

What is the model number on the engine?

Customer: replied 6 months ago.
Not with engine at moment...will send when I get home
Expert:  Jason replied 6 months ago.

Okay no problem, just reply back when you have the model info and we can take it from there.

Customer: replied 6 months ago.
Thanks
Expert:  Jason replied 6 months ago.

You bet.

Customer: replied 6 months ago.
I'm looking at my booklet and it says DF70T
Expert:  Jason replied 6 months ago.

Good morning.

What year is the engine?

Customer: replied 6 months ago.
The owner's manual was printed in 1999..
Expert:  Jason replied 6 months ago.

If it's a 99 the engine is fuel injected and does not have a choke. What did you mean by "I have to choke engine each time before starting no matter how long it's ran"

Customer: replied 6 months ago.
I'm learning as we go...from the manual is called a warm up lever...
Expert:  Jason replied 6 months ago.

I don't think i'm going to be able to help you out with this, it will need to go to the dealer and get hooked up to a scan tool.

Customer: replied 6 months ago.
Thanks for your time
Expert:  Charles replied 6 months ago.

Hello, my name is***** will assist you.

For the vibration, make sure that the prop is not bent and that the prop shaft is straight. For the engine running, you are going to have an issue with either the fuel pump or the injectors.

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