Rebuilt 1999 200 EFI not starting

[currentaddiction]

ok, 1st post here hoping to get some advice. To start off i overheated my engine and damaged a couple of the cylinders. had all 6 bored .20 over and installed Wiesco pistons. Changed all the bearings, checked and double checked all measurments. It turned out really great. Installed all the electronics double checking the wiring and pretty sure its all correct. it seems im getting spark, i checked it with a screwdriver going to ground and all had spark. It seems im getting fuel cause the electric pump i working and also the low pressure pump seems to work also. I did try spraying starter fluid but didnt make a difference.I'm not sure about the timing though, but i didn't change any of that. I tried using a timing light but wasnt able to see any of the marks on the flywheel. Not sure if the old timing light was too dim or if it's that far out it didn't even show up. I havent checked the switch boxes or ignition boxes either. They were working before it overheated so I'm assuming they are good. I guess it would be wise to check um out... Does it look like i'm overlooking anything??

 

[RichRab]

I would take the plug out of number one cyl. and turn engine and when it blows your thumb off you know it is on the compression stroke. The timing mark will be close and the rotor in cap should point to the number one spark plug wire in cap. Dist might be in wrong.

 

[currentaddiction]

I would take the plug out of number one cyl. and turn engine and when it blows your thumb off you know it is on the compression stroke. The timing mark will be close and the rotor in cap should point to the number one spark plug wire in cap. Dist might be in wrong.

This is an outboard. Sorry should of mentioned that. And it's 2 cycle

 

[Faztbullet]

Now that two words that don't go together..EFI & Wiseco... Check your spark on a spark tester and it should jump a a 3/8 gap,if that's ok check to ensure switcheboxes and coil/trigger pairs are matched(yellow sleeves) Did you figure out what made it fail the first time as if injectors/ ECU have a problem it will happen again

 

[Dukedog]

startin' fluid is a real no-no on 2 strokes period.. if anything, use a fuel/oil mixture ina spray bottle...but if used and ya got absolutely nothin' then there is no fire..

what say ye Fb?

 

[currentaddiction]

Now that two words that don't go together..EFI & Wiseco... Check your spark on a spark tester and it should jump a a 3/8 gap,if that's ok check to ensure switcheboxes and coil/trigger pairs are matched(yellow sleeves) Did you figure out what made it fail the first time as if injectors/ ECU have a problem it will happen again

I didn't want to hear that!, I will stop today and get a spark gap tester. I will now also check and make sure the switch boxes are connected to the correct set of coils too. I have been rebuilding and repairing things for 30 years, not that means anything , this is the first time i have ever rebuilt a 2 stroke engine. I don't know why it overheated. The water pump looked great, i did have a small piece of something in the poppet valve and I didn't check the thermostats to see if they were functioning. Could a misfire have caused it to overheat? I think i do remember it pissing.

 

[currentaddiction]

startin' fluid is a real no-no on 2 strokes period.. if anything, use a fuel/oil mixture ina spray bottle...but if used and ya got absolutely nothin' then there is no fire..

what say ye Fb?

Yeah, wasn't to sure about using the starting fluid as my buddy suggested to see if it's a fuel issue. I tried a couple of sprays and didn't make a difference. Maybe it the timing or i got the switch boxes backwards.

what say ye Fb? <----- what's that?

 

[Dukedog]

justa hello ta Faz...

usin' an OEM manual?

 

[currentaddiction]

justa hello ta Faz...

usin' an OEM manual?

ah, gotcha..

Yes, using the oem manual

 

[Faztbullet]

Salutations to ye DD.. How many cylinders went down with this overheat????

 

[currentaddiction]

#2 and #4 were perfect, #6, #5 and i think #3 were scored or maybe it was #1. None of the bearings failed, nothing was broke. There were a few wires that melted on the heads along with the temp sensor. I'm picking up a gap checker and fuel presser tester after work, then I'm going to check my wiring off the switch boxes. And i read on another search to remove the kill wires on the switch boxes to see if it would start.

 

[currentaddiction]

All is good now, had the wires that go to the coils on the wrong switch box.... lol. Well... now its funny but pissed me off for a week

 

[wired247]

Be really careful with tht thing for a while. Do not run in cold water until you get the pistons and bores broken in. You'll cold seize the thing where the pistons swell up more than the bores. Wisecos need a lot of clearance to run. They are a cruel joke. If you dont have a lot of clearance run through a few dozen heat up and cool down cycles before you run it hard. Eventually with enough heat cycles the aluminum in the pistons will stabilize and stop growing and shrinking to such an extreme extent.

 

[currentaddiction]

Be really careful with tht thing for a while. Do not run in cold water until you get the pistons and bores broken in. You'll cold seize the thing where the pistons swell up more than the bores. Wisecos need a lot of clearance to run. They are a cruel joke. If you dont have a lot of clearance run through a few dozen heat up and cool down cycles before you run it hard. Eventually with enough heat cycles the aluminum in the pistons will stabilize and stop growing and shrinking to such an extreme extent.

I think i had around .005 clearance, i dont remember exactly. But at the time i did read about they need to be sloppy and was happy with the measurments. I did have it bored .020 over. And from what i read, they are designed for that size. Hopefully though. I will take that advice, thanks.

Got another question, like i said its running, ran it for about 1/2 hour. I was checking out the voltage regulators according to the manual and I was not getting the readings i should. Would it still run even though i might have bad regulators???