wet weather misfire

[Damienga15de]

So I was at tandragee road racing today and it rained pretty bad , bike started fine on the half choke as normal and idled fine. But a few miles out the road it started missing and dying fought with it for about 15 miles to a petrol station , stopped it but it wouldn't start until I had the choke fully open. Foughtvit for another 5-10 miles then it came back to normal as the roads dried up. I'm presuming it's water getting somewhere it shouldn't. Anyone any ideas where to start  on a fix for this on a 91M , on my old sv it was water getting up on the front plug a extended rad guard sorted it out 

[teltwosheds]

Check the usual, coils leads caps rubber gaiters on rocker cover. OH not so obvious drain holes for plugs(exit above exhausts)

[markfoggy]

And that old favorite if it has a sidestand cut out switch, go there first. 

[Damienga15de]

did anyone ever use dieelectric grease on the electrical connections to keep water at bay, havnt gotten to go near the bike since i got it home hopefully this evening i will have some time 

[teltwosheds]

I got a tube of it but. It's stuck under a sideboard in me caravan  so i use vasaline cos I got a tub in the shed and it wipes off easy

 

 

 

 

 

 

 

 

i

[Jonny]

I always look at the coils first. Where they are located, they get all the steam off the engine. Had this twice before.

[Damienga15de]

Thats possibly it, there was a lot of steam rising off the headers 

[Damienga15de]

So i washed the bike thisevening, same story missfire running shit hard start, contemplating a change to 02 600 coil on plug setup has anyone here done this ?

[suzook12]

do you have stock airbox or pod filters?

Edited April 27, 2017 by suzook12
incorrect information

[Damienga15de]

stock airbox, 

[Madb]

2 hours ago, Damienga15de said:

So i washed the bike thisevening, same story missfire running shit hard start, contemplating a change to 02 600 coil on plug setup has anyone here done this ?

600's may be a wee bit short, you may wanna use the thou's coil sticks, wire them in series.

[beam]

Check the circuit breaker and wires under the battery tray , ,it gets covered in road grime and fails

[Damienga15de]

Gsxr 1000 coils in , new plugs , started first touch no choke and sounding sweet only ran for a few seconds on the fuel in the bowls. Having issues refitting the tank petrol lines are a pain 

[Damienga15de]

Bikes running better than ever on the new coils really smooth now the old leads and caps were well past their best 

[markfoggy]

Anybody else?

http://www.Eblag.co.uk/itm/gsxr-ignition-coil-plugs-connectors-x4-/152531185956?hash=item2383913124:g:RfcAAOSw6DtYVuRu

[Madb]

 thats a bloody good buy. ^^^^ thank you for the link @markfoggy. cheers. 

[markfoggy]

Until I found them cheaper.

http://www.Eblag.co.uk/itm/4x-Denso-Pencil-Stick-Coil-On-Plug-COP-Connectors-CBR-GSXR-Hayabusa-Bike-LX38-/111075243146?hash=item19dc99b48a:g:jKIAAOSwxH1T7zWW

Not just one set, many and no postage. 

Edited April 30, 2017 by markfoggy
more detail

[Madb]

added to watch list. 

[Damienga15de]

Forgot to update , wasn't the coils after issue reappeared, sidestand switch bypassed today so we will see how that goes 

 

 

[Damienga15de]

So another rainey day trip into work and more missfiring, its not the sidesstand switch. Any other suggestions ?

[Damienga15de]

The reset switch and starter solenoid are under the seat now too since I swooped In the s1000rr shock, could it be the kill switch ? 

 

[hippypaul]

I've just had this problem with my powerscreen engined chop. Was CDI box full of water. Emptied and flushed with WD40 and it's fine now.

[Damienga15de]

Might try that , I'll be putting in a new air filter tomorrow so I can check cdi while in there 

[Damienga15de]

CDI is bone dry , iv pulled all connections apart and covered all in vaseline everything except the green one under the tank. Next spin in the wet should go well hopefully if not I'm stumped.  Soon as I refit the sebring system ill be getting the carbs balanced

[KATANAMANGLER]

Have you cheked the drain holes for the plug wells aren't  blocked at the manifolds?