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| It took 2 sessions about about 5 hours to get to the point where I can actually remove the valve cover and check clearances. |
This is not the work of an afternoon. To get into the valves on a C14 takes patience. In addition to the advice about staying organized and documenting the process, I’d suggest a ‘move the ball down the field’ approach. As long as you get a bit more done each time you’ll get there, but don’t be in a rush and expect to have to come back multiple times. With this approach I didn’t get as frustrated as I sometimes do in the garage. It being the middle of Canadian winter with no chance to ride any time soon helps too. Nothing stresses me out more than watching one of my few riding opportunities each year pass me by because I don’t have a bike ready to go (though I hope the Tiger is).
I’m finally at a point where I can actually remove the valve cover. I won’t lie. Yesterday as I was wrestling the air suction valve gear out of the ridiculously tight space I was wondering who the masochist was who designed this and had a little day dream about cold cocking them.
It’s cold in the garage when it’s double digits minus outside, even with the heater on, so hand cramps were an issue as I worked stuck fasteners loose. Whoever was last in there tightened the frame bolts well past spec, and even the small bolts holding in the air suction valves were a fight, having to be turned out a quarter turn at a time with a hex key.
Here’s the order of operations so far:
Getting Cylinder Head Cover Access
Fairings
I’ve been into them before for various reasons. They’re complicated, but came off with a minimal of swearing.
Once I had them all off access to the valve cover became seeable, but so is the mad amount of plumbing that surrounds them. Getting the fairings off is the tip of the iceberg on this job.
Frame connectors
There are some easy to get ones that you can remove once the fairings are off. 12mm bolts and a 5mm hex that connect the motor to the back and front of the frame. Whenever you think that’s enough, Kawasaki Heavy Industries overengineered another piece. This thing really is built like a nuclear sub.
With those off I took the coolant reserve tank out of the way (two 10mm bolts). So far I’ve gotten deep into this with just 10 and 12mm sockets and 5mm hex bolts (not counting all the fasteners on the fairings). The mechanical fasteners are considerately consistent (unlike Triumphs). I’m going to have to source other fairing fasteners as the cheapo Amazon ones I got all broke when removed.
There are two more frame connectors (because more of everything was how the Conours was designed), one on each side and held in by two 12mm bolts and a 5mm hex bolt. Whoever did these last tightened them to within an inch of their lives, but I got them out. The three fasteners are visible once you’ve got the fairings off, but once you’ve got them out the piece itself needs to be slid out from the plastic radiator shroud. I’ve been warming things up with the heat gun to prevent cracking as I bend plastic and rubber things.
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| The right side one is easy to access and if you’ve taken the fairings off, easy to remove. The pipe you see left of the top arrow is the air suction system. Getting that out is a right *@&#er. |
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| The left side one not so much. Note the heat gun blowing warm air on the rubbers and plastics to make things easier to remove (helps with the electrical connectors too of which there are many). |
With the frame pieces off it was a matter of removing the pipes and connectors that crowd the top of the valve cover. It’s tight in there and even disconnecting electrical components was a real struggle with my non-Japanese sized hands.
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| You can’t fit a 3/8 rachet and bit in that gap, so the air suction valve covers (which you can’t even see in this because they’re buried under piles of electronics, coolant pipes and anything else they could stuff in there), need to be removed with tiny quarter turns with a 5mm hex key. Take your time, try not to get frustrated. You eventually get in there. |
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| First look at the valve cover, but lots of other gubbins have to come out before I could get that rubber cover folded out of the way. |
Air Suction Valve
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| With the air suction valve(s) – there are (of course) two of them, out you can see the cover, but that cam sensor in the middle of this pic has to come out too (8mm bolt holding it it). |
Cylinder Head Cover Removal
- Remove fairings
- Remove Air Suction Valve (see Air Suction Valve Removal)
- Stick Coils (see Stick Coil Removal in the Electrical System chapter)
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| The stick coils for the spark plugs are in there tight too and require some careful convincing to come out. I’m probably the first person in here certainly since the bike started getting underused ten years ago and possibly ever. |
With the Inlet Camshaft Position Sensor removed the valve cover was finally free and came off (out the right side) revealing the fantastically complicated top end.
Next up will be turning the engine around with a rachet and getting an idea of where the valves are in terms of clearances.
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