Dirty Pairs System

[rollerfish01]

After bought the 14 for almost a year, I decided to detached the Pairs system...
When I opened the cover I was so surprised that what a mess inside the pairs system 
At the cylinder 1&2 side (left01,02.pic), a lot of carbon stuck here and I spended a lot of cotton buds and cleaner to clean it up (also the small hole to somewhere...)
At the cylinder 3&4 side (right01.pic), it was soak in oil (clean motor oil ??), I just wonder how the oil didn't flow to somewhere and what was the affect. I cleaned it up certainly.
At my heart I cannot imagine how the last owner maintain the bike  
Also if anyone bought a second hand 14, it may be a good idea to open and check the Pairs system, maybe need some cleaning too.
After cleaning and removed the Pairs system I notice a change (good change ) at the sound of the exhaust (full Yoshi cyclone).

[seth]

it's exhaust gases that go through the pairs system there shouldn't be any oil in there at all .
it should look very similar to just inside the end of a good running exhaust pipe (a dark chocolate coloured dust).

maybe a bigger problem somewhere I've done 6 x 14's and none ever had oil in the pairs when removed also never head of anyone commenting on see this.

seth

[Andre]

Get the cylinder head cover gasket off and take a look. Watch for the 2nd air "guide"-pins and gaskets (for reference they are part numbers 09206-08007 and 11182-35F00). The gasket may be a goner or even missing. These pins and gaskets have been known to dislodge and drop into the engine when dismounting/mounting the cover! Or just forgotten by an inattentive mechanic  While you are at it you can check the valve play.

See http://gsx1400owners.org/forum_test/index.php?topic=288.0 Tip: you don't need to take off the signal generator cover for just checking. The cams can be brought in the needed position by putting in 6th gear and rotating the rear wheel by hand (only forward direction!).

[rollerfish01]

@Andre  Thanks for your opinion !
I think its a good suggestion to take off the cylinder head cover to have a look and take the opportunity to do the valve clearances checking. Maybe I need to order some spare parts also.

[Andre]

When you take off the head cover you will need:


Part numbers found here: Robinsons http://www.robinsonsfoundry.co.uk/shop/online-store/suzuki-parts-finder/gsx/gsx1400/k2-k3-k4-k5-k6-k7-2002-2007.htm#!gsx1400cylheadcover EXCEPT for the Suzuki Three Bond.

These 3 were all I needed.
1x CYLINDER HEAD COVER GASKET (11173-42F01)
2x GASKET (09168-08029) It says gasket but they are metal, kinda like the ones for the brake hoses.
1x Suzuki Three Bond, black (or equivalent) 9900031140THR

Unlikely that you will need
8x WASHER (09161-11008) These say washer but are made of rubber.

Depending on what you find you may need one or more of these
4x pins (09206-08007)
4x gaskets (11182-35F00)

A normal thickness gauge (.10 to .30mm in steps of .05mm) will do for just checking. Should the unlikely case happen that you need to adjust valve play, you need gauges with finer steps!

It is a fairly easy task, but be vigilant not to drop anything into the engine.

Successful hunting

[kja]

If the bike has been thrashed there will be oil in the pairs, its crankcase pressure that will vent wherever it can. Running the crankcase breather into a K&N crankcase filter helps, instead of pumping hot oily air back into the airbox. There maybe a reason for the crankcase pressure though, usually worn rings, but if the bike gets ragged it will cause crankcase pressure too, just imagine the volume of air being forced around the internally small crankcase at high revs. When I had my head off I drilled and tapped the pairs, and loctited an 8mm grubscrew into them to seal them off.

[rollerfish01]

@Andre , Big Thanks for your detail explanation and parts suggestion !  I am expecting to open the head and figure out what's the problem.
Maybe I'll order all the parts for spare as they are not very expensive . Is the "Suzuki Three Bond" something like gasket sealant ?

[rollerfish01]

@kja  , Thanks for your information. Maybe that's another way I can look into.
I found the oil was very clean and the colour was matching my recent oil change. I wonder why it only appear at the cylinder 3&4 side...

[Andre]

@Andre , Big Thanks for your detail explanation and parts suggestion !  I am expecting to open the head and figure out what's the problem.
Maybe I'll order all the parts for spare as they are not very expensive . Is the "Suzuki Three Bond" something like gasket sealant ?

Your welcome. Was in the mood for writing and it was fresh in memory as I just did it because the head cover gasket was blown due to a leaky spark plug that "spit fire".

Yes, the ThreeBond 1207B is like a gasket sealant. On the package it says "Liquid Gasket", "Solventless Silicone-Non-Sag type, Excellent heat resistance, Rapid dry". You only need a tiny amount of it. The 100g tube I got should be enough for a platoon of 14s. The ThreeBond goes on the cam end caps of the head cover gasket. It's also needed if you should reinstall the gasket for the signal generator after adjusting the valves.There were "left-overs" of it on my 14 which I noticed on the outside (orange color). Clean off the left overs without having them fall in the engine. I used paper towels to secure the places where things can drop into the engine. Also lifted the head cover off just enough to insert 1/4 inch wood strips between the cover and cylinder and checked with a flash light to see if these darn pins were in place on the cylinder side.  Then I cut the old gasket in appropriate places so it wouldn't lift the pins out when I took the cover off. Sounds paranoid? Yes, very paranoid after hearing what a major PIA it was for several guys to find and retrieve the pins and their gaskets. You just don't want that to happen to anyone.