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Search: Posts Made By: stevechumo
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10-25-2020, 07:13 PM
Replies: 24
Views: 672
Posted By stevechumo

While the engine was running at idle, I unplugged...

While the engine was running at idle, I unplugged the electrical plug to the coils and the engine stalled. All 6 coils are like that. I then used the inductive timing light to check, and all are...
10-24-2020, 05:01 PM
Replies: 24
Views: 672
Posted By stevechumo

I already rebuilt the pulse pump, and replaced...

I already rebuilt the pulse pump, and replaced other 2 fuel pumps.
Is anyone using aftermarket coils with good or bad results?

I may have to troubleshoot the coils. At home, if I put the outboard...
10-24-2020, 12:33 PM
Replies: 24
Views: 672
Posted By stevechumo

If dropping a cylinder, then how could it regain...

If dropping a cylinder, then how could it regain full power right away when I pushed the throttle up then it ran fine for a very long time?
10-23-2020, 09:41 PM
Replies: 24
Views: 672
Posted By stevechumo

I would rule out the bad injectors, because I had...

I would rule out the bad injectors, because I had all 12 fuel & air injectors serviced by RC injector, which is also a fuel injector manufacturer. They gave me the sheets of before & after services....
10-19-2020, 01:12 PM
Replies: 24
Views: 672
Posted By stevechumo

I don't have the tools to test the pressures. I...

I don't have the tools to test the pressures. I may have to bring the boat to the shop then.
10-15-2020, 12:52 PM
Replies: 24
Views: 672
Posted By stevechumo

I had the air & fuel injectors cleaned...

I had the air & fuel injectors cleaned professionally. I put in an aftermarket high pressure fuel pump Quantum. I think that it may lose pressure after a long run, so when the throttle is backed...
10-14-2020, 10:45 PM
Replies: 24
Views: 672
Posted By stevechumo

I replaced all fuel parts including all fuel...

I replaced all fuel parts including all fuel pumps. Don't you think it's the TPI sensor or worn out linkage?
10-14-2020, 02:03 PM
Replies: 24
Views: 672
Posted By stevechumo

225 Mercury Optimax drops power then come again

My outboard is a 2000 Optimax 225 DFI. It has this weird issue of losing power then regaining itself. It runs well for awhile, then it drops power. After it drops power, it regains the power again...
09-29-2020, 01:32 PM
Replies: 9
Views: 329
Posted By stevechumo

Do you think this water pumping out is good? ...

Do you think this water pumping out is good?
https://cimg7.ibsrv.net/gimg/www.thehulltruth.com-vbulletin/565x762/optimax_76b368c04f693d4444fcde52351175d2eb46960c.jpg
09-28-2020, 01:15 PM
Replies: 9
Views: 329
Posted By stevechumo

For your outboard, when it's hooked up to the...

For your outboard, when it's hooked up to the water flusher, how long does it typically start pumping out the water? And if it's at the lake or ocean, how long does it take to see the water pumping...
09-27-2020, 11:13 PM
Replies: 9
Views: 329
Posted By stevechumo

Water impeller rotation of Mercury Optimax 225

Hi everyone,
Is there a specific rotating direction of the Mercury Optimax 225, year 2000? If you look at this picture, is it correct? ...
Forum: West Coast
09-08-2020, 10:07 PM
Replies: 8
Views: 883
Posted By stevechumo

Thank you Freddy. I used to fish the West End,...

Thank you Freddy. I used to fish the West End, and sometimes at the East End. Have you tried leaving the East End in the afternoon? It's almost in the same direction of the current while the wind is...
Forum: West Coast
09-08-2020, 04:31 PM
Replies: 8
Views: 883
Posted By stevechumo

Hello Freddy, Do you mind telling me of the...

Hello Freddy,
Do you mind telling me of the spots that you went? What did you catch? I plan to go this coming Saturday.
09-07-2020, 07:10 PM
Replies: 7
Views: 482
Posted By stevechumo

Line X has a textured surface, and powder coat...

Line X has a textured surface, and powder coat has a smooth surface. If textured surface isn't a problem to what you'll use, then I'd go for Line X, because it's very thick and basically can't be...
Forum: West Coast
08-31-2020, 12:31 AM
Replies: 8
Views: 883
Posted By stevechumo

CaptCDelany is right on. Your 26 ft is more...

CaptCDelany is right on.
Your 26 ft is more than enough. I go to Catalina at least once a month either on my 23 ft or my friend's 18 ft. A good VHF radio will let you hear & talk between LA and...
08-31-2020, 12:22 AM
Replies: 32
Views: 2,126
Posted By stevechumo

In theory, it's recommended not to touch the dry...

In theory, it's recommended not to touch the dry ice. But the guy at the store that I buy from touches the dry ice by his bare hands all the time. I'm not sure what his hands are made up. :)
08-27-2020, 08:59 PM
Replies: 0
Views: 166
Posted By stevechumo

Mercury Optimax 225 low pressure Fuel Pump - aftermarket

Hi everyone,
What is the good aftermarket low fuel pump that you use for the Mercury Optimax 225 DFI year 2000?
I put a no brand aftermarket pump on, and the motor starts very hard.
08-17-2020, 12:00 AM
Replies: 16
Views: 547
Posted By stevechumo

I'm in Orange County, CA. I don't know how many...

I'm in Orange County, CA. I don't know how many hours are on my outboard. I bought it used for a year and used it for 10 times.
08-13-2020, 10:49 PM
Replies: 16
Views: 547
Posted By stevechumo

The earliest that any certified boat mechanic can...

The earliest that any certified boat mechanic can check my boat is 2 months from now. I have more than enough experience with non-certified mechanic already. I can't wait that long. The fishing...
08-13-2020, 03:11 PM
Replies: 16
Views: 547
Posted By stevechumo

It idles fine. I don't notice any difference in...

It idles fine. I don't notice any difference in the idling comparing before issue and now issue. Do the bad reeds cause issue at idling right away?
08-13-2020, 02:35 PM
Replies: 16
Views: 547
Posted By stevechumo

In the first 10 minutes, it runs fine. After 10...

In the first 10 minutes, it runs fine. After 10 minutes, it goes into the limp mode that reduces to 3300 RPM. Giving it more throttle does not make it go faster, and it sounds like misfire. I...
08-13-2020, 12:21 PM
Replies: 16
Views: 547
Posted By stevechumo

I looked up on google and youtube, but nothing is...

I looked up on google and youtube, but nothing is specific to the Optimax 225. Perhaps that you can help with some links. :)
08-13-2020, 01:42 AM
Replies: 16
Views: 547
Posted By stevechumo

Mercury Optimax 225 Reed Valves

Can anyone please help with some instruction of how to replace the reed valves on Mercury Optimax 225 DFI reeds? Any picture will be great.
08-07-2020, 09:23 PM
Replies: 48
Views: 51,725
Posted By stevechumo

I have the same problem on my 2000 Optimax. Did...

I have the same problem on my 2000 Optimax. Did you figure what that problem was?
Forum: West Coast
07-23-2020, 12:46 PM
Replies: 5
Views: 720
Posted By stevechumo

Sorry for the delay. You can call Brian at (714)...

Sorry for the delay. You can call Brian at (714) 292-9345, and tell him that Alan referred you.
Showing results 1 to 25 of 131
 


 
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