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TR-1 Starboard Engine Intermittent Starting Issue

Johanv09

Member
Messages
17
Reaction score
3
Points
22
Boat Make
Yamaha
Year
2023
Boat Model
AR
Boat Length
22
Hello! I have a 2023 AR220 Boat that I love; however, I have been experiencing starting issues with the Starboard Engine Only. After spending a day on a sandbar (4-5 hours), the starboard engine does crank but not start. I have to try at least 10 times after it fires up but after the 2nd try there is a lot of gasoline smell. This issue has become a headache because after spending a lot of time under the sun, everyone is so tired and just want to go back to the ramp and then the starboard engine does not cooperate :( Has anyone experienced the same issue? If so, have you found the cause and how to fix it?

I have tried to recreate the issue at home running the engine on water hose, but I cannot recreate it. It has only happened at the sandbars. If I stop for 1-2 hours in a restaurant or when I got home to flush it, both engines start immediately. :(

TIA
 
I had this issue with a 2017 SX210. It went thru a buy back then the new owner reached out to me. He discovered it was some sort of issues with the ECU and reading battery voltage incorrectly.

It could be a number of things though. Next time you go out, keep a bag of ice ready. If the issues happen again, put the bag of ice onto of the engine, and let it sit for 10 minutes then try again. Vapor lock is an issue sometimes, but that is normally a peak summer thing. It can be avoided by idling for 5 minutes or so after WOT (most people do this anyways).
 
The hard start issue has also been traced to too much water in the water locks / mufflers. The next time you’re out try running the no wake mode at level three for 15 seconds with the throttles in neutral just before shut down. So with throttles in neutral, ramp no wake up to level three, 1 one thousand to 15, then ramp no wake back to idle then engines off. Make sure you’re in deep enough water.

Are you at the sand bar bow away from shore?
 
The hard start issue has also been traced to too much water in the water locks / mufflers. The next time you’re out try running the no wake mode at level three for 15 seconds with the throttles in neutral just before shut down. So with throttles in neutral, ramp no wake up to level three, 1 one thousand to 15, then ramp no wake back to idle then engines off. Make sure you’re in deep enough water.

Are you at the sand bar bow away from shore?
Thank you! I will try to do that no wake recommendation. Regarding the deep water, we anchor the boat at least 3-4 feet deep water and try to bring it to deeper water when storing the front anchor. After the anchor is safely stored, I proceed to start the engines.
 
Thank you! I will try to do that no wake recommendation. Regarding the deep water, we anchor the boat at least 3-4 feet deep water and try to bring it to deeper water when storing the front anchor. After the anchor is safely stored, I proceed to start the engines.

You’re welcome! One of our members here has had a heck of a time with hard starting on his 210 FSH which usust the TR-1 engines, after a long back and forth with Yamaha, Yamaha finally found that the water lock on the starboard engine especially can get too full of water in certain conditions that makes for too much back pressure and hard starting. I’ve verified this myself as I do a lot of trolling and that can happen to my boat as well. The other recommendation Yamaha made was to run the boat in reverse at max power for five seconds. One of our other members down in AZ verified this as well. Just make sure you’re in deep enough water when you do the 15 second no wake mode in neutral thing. I’ve actually found that 10 seconds is sufficient so you might try the 15 seconds first and see how that works.

I am a bit concerned about the fuel smell you reported, I’ve never had that when I’ve experienced a hard start. Hopefully the no wake mode thing cures your issues.
 
2x on the gasoline smell. These are not carborated engines. Fuel is being injected into the cylinder. So if you are getting a gas smell, either it is coming back through the intake (which would be a valve issue--unlikely? ) or you are smelling it from the exhaust side (which would be farther away) or you have a gasoline leak, which would be pretty dangerous.

I would run the fuel line and rail and make sure you don't have a leak somewhere. Or take it in for a check on that.

Then I think a batch of Sea Foam is probably in order. I think they have an intake valve cleaner...
 
I looked up the other hard to start thread… here is the link to a particular page and the revelation begins at post #51,


This has worked very well for myself and others who are using the no wake mode at level three in neutral for 10-15 seconds right before shut down.
 
Thank you! I will try to do that no wake recommendation. Regarding the deep water, we anchor the boat at least 3-4 feet deep water and try to bring it to deeper water when storing the front anchor. After the anchor is safely stored, I proceed to start the engines.
Did you have any success with the NWM?
 
Hey Jetboaters community;

I’m reaching out again to see if any other Yamaha AR220 (or similar twin-engine TR-1 models) are experiencing a hard-starting failure on the starboard engine under certain load conditions. I am officially submitted a replacement request to Yamaha as well as filed a Florida Attorney General Consumer Protection complaint and a U.S. Coast Guard Boating Safety Defect report.

✅ Boat Information
  • Model: 2023 Yamaha AR220
  • Purchase Date: February 2023 (brand new)
  • Engine: Twin TR-1 HO
❌ The Problem

The issue only occurs in the water, and only when:
  • 4–5 adult passengers are seated on the stern swimming platform and/or swim-up seats (while anchored at a sandbar or open water with boat turned off)
  • Stern-heavy load affects buoyancy and engine positioning
Symptoms:
  • Starboard engine refuses to start for 10–15 minutes of repeated cranking
  • Boat is limited to ~5 mph idle on a single engine (to avoid drivetrain damage)
  • Creates a real safety hazard in channels and open water
    → Risk of collision, drifting, or being stuck in traffic lanes with limited control
Never happens on the trailer / boat ramp or dock.

🛠️ Service History to Date

Despite extensive attempts, issue remains unresolved:
  • 20+ warranty claims
  • 5+ months accumulated time at dealership
  • 4 water tests
    • Latest test included Yamaha District Service Manager
    • A slight start delay was observed
  • No official cause identified by Yamaha
  • No confirmed solution provided
Yamaha and dealer continue to ask for more water tests, despite lack of progress.

👤 What Yamaha Is Claiming

Yamaha has stated: “No other boats have been reported with this issue.”

That is why I am posting here — to gather real owner feedback.

⚖️ Actions I Have Taken

Due to safety and quality concerns, I have already:

✅ Submitted a formal replacement to Yamaha
✅ Filed a Florida Attorney General Consumer Protection complaint
✅ Filed a U.S. Coast Guard Boating Safety Defect report

All documentation cites:
  • Loss of intended use
  • Extended out-of-service time
  • Water safety hazard
❗ Why This Matters

A twin-engine boat that cannot reliably start both engines:
  • Cannot operate safely in most real boating scenarios
  • May violate expected Yamaha performance standards and safety obligations
  • Prevents families from confidently using the boat they are paying for
I love Yamaha and the boating lifestyle — but reliability on the water is NON-negotiable.

If you have:
  • hard-starting issues on a TR-1 engine
  • Issues occurring with stern-heavy loading
  • Dealer visits for unexplained start delays
  • Fixes or root causes found
Please reply with:
  • Boat model & year
  • Starboard / port engine affected
  • Conditions when issue occurs
  • Anything a tech found or replaced
Even one or two similar reports will help push Yamaha to acknowledge this is not an isolated case.

Feel free to DM me if you prefer to share privately — I am gathering all data to support my case and help others who may be affected.

Thank you to anyone who takes a moment to respond.

I’ll keep this thread updated with any progress from Yamaha, the Florida AG office, or USCG.

Safe boating everyone 🙏
 
Last edited:
Someone correct me if I'm wrong, but the first thing I notice is that you should NOT have people on the swim platform with the boat running or trying to start, due to possible carbon monoxide poising. Many other posts here have mentioned this.
 
Someone correct me if I'm wrong, but the first thing I notice is that you should NOT have people on the swim platform with the boat running or trying to start, due to possible carbon monoxide poising. Many other posts here have mentioned this.
Let me clarify and I will edit the previous post. Nobody is on the seating on the swim platform while the boat is running. The issue happens when the boat is turned off anchored at the sandbar or on open water and I try to turn it back on.
 
Hey Jetboaters community;

I’m reaching out again to see if any other Yamaha AR220 (or similar twin-engine TR-1 models) are experiencing a hard-starting failure on the starboard engine under certain load conditions. I am officially submitted a replacement request to Yamaha as well as filed a Florida Attorney General Consumer Protection complaint and a U.S. Coast Guard Boating Safety Defect report.

✅ Boat Information
  • Model: 2023 Yamaha AR220
  • Purchase Date: February 2023 (brand new)
  • Engine: Twin TR-1 HO
❌ The Problem

The issue only occurs in the water, and only when:
  • 4–5 adult passengers are seated on the stern swimming platform and/or swim-up seats (while anchored at a sandbar or open water with boat turned off)
  • Stern-heavy load affects buoyancy and engine positioning
Symptoms:
  • Starboard engine refuses to start for 10–15 minutes of repeated cranking
  • Boat is limited to ~5 mph idle on a single engine (to avoid drivetrain damage)
  • Creates a real safety hazard in channels and open water
    → Risk of collision, drifting, or being stuck in traffic lanes with limited control
Never happens on the trailer / boat ramp or dock.

🛠️ Service History to Date

Despite extensive attempts, issue remains unresolved:
  • 20+ warranty claims
  • 5+ months accumulated time at dealership
  • 4 water tests
    • Latest test included Yamaha District Service Manager
    • A slight start delay was observed
  • No official cause identified by Yamaha
  • No confirmed solution provided
Yamaha and dealer continue to ask for more water tests, despite lack of progress.

👤 What Yamaha Is Claiming

Yamaha has stated: “No other boats have been reported with this issue.”

That is why I am posting here — to gather real owner feedback.

⚖️ Actions I Have Taken

Due to safety and quality concerns, I have already:

✅ Submitted a formal replacement to Yamaha
✅ Filed a Florida Attorney General Consumer Protection complaint
✅ Filed a U.S. Coast Guard Boating Safety Defect report

All documentation cites:
  • Loss of intended use
  • Extended out-of-service time
  • Water safety hazard
❗ Why This Matters

A twin-engine boat that cannot reliably start both engines:
  • Cannot operate safely in most real boating scenarios
  • May violate expected Yamaha performance standards and safety obligations
  • Prevents families from confidently using the boat they are paying for
I love Yamaha and the boating lifestyle — but reliability on the water is NON-negotiable.

If you have:
  • hard-starting issues on a TR-1 engine
  • Issues occurring with stern-heavy loading
  • Dealer visits for unexplained start delays
  • Fixes or root causes found
Please reply with:
  • Boat model & year
  • Starboard / port engine affected
  • Conditions when issue occurs
  • Anything a tech found or replaced
Even one or two similar reports will help push Yamaha to acknowledge this is not an isolated case.

Feel free to DM me if you prefer to share privately — I am gathering all data to support my case and help others who may be affected.

Thank you to anyone who takes a moment to respond.

I’ll keep this thread updated with any progress from Yamaha, the Florida AG office, or USCG.

Safe boating everyone 🙏
You know its interesting… in another thread, you were advised to change the spark plugs and check the oil level, for your hard start and lowered max rpms, yet you never responded to that suggestion, you were also advised to do the no wake mode at level 3 in neutral for 15 seconds before shut down, a procedure that has yielded great results with several members, and no response back on that either.

A simple search would have turned up another more extensive thread on the hard start problem wherein Yamaha acknowledged the hard start issue, according to the poster, and gave a procedure to alleviate the issue.
 
Hi FSH 210 Sport,

I have tried everything they suggested. Also, I did a water test with the Yamaha District Service Manager and he said that it should not happened. You don’t need to do anything to prevent this issue to happen, the engine HAS to start immediately.
 
Hi FSH 210 Sport,

I have tried everything they suggested. Also, I did a water test with the Yamaha District Service Manager and he said that it should not happened. You don’t need to do anything to prevent this issue to happen, the engine HAS to start immediately.
You tried what “they” suggested, what about what was suggested here? I can say that the NWM mode thing works well for me, and this summer when it started to hard start and doing the NWM, I changed the plugs and it fires right up..
 
You tried what “they” suggested, what about what was suggested here? I can say that the NWM mode thing works well for me, and this summer when it started to hard start and doing the NWM, I changed the plugs and it fires right up..
I have tried everything that everyone on this forum suggested and also what Yamaha DSM suggested. The plugs were changed at the dealership per Yamaha DSM recommendation and they verified the oil level. The dealership also verified the fuel system pressure and the injectors!
 
I see, just had to go by what you did not report back on from before.. let us know how things turn out.
 
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