Enough to drive you crazy - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 12 (permalink) Old 08-02-2011, 08:42 PM Thread Starter
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Enough to drive you crazy

I bought my RC about a month ago I think I've spent more time working on it then riding. I was getting the bike ready for the new chain and sprockets I ordered. I took off the left fairing and discovered a empty coolant reservoir,.. cool another problem a coolant leak! I can't tell where the coolant is leaking from so I go to remove my intake box for the first time, and you know the 4 screws the hold down the velocity stacks well I can't get them loose I tried different screwdrivers tried tapping the screwdriver with a hammer they won't break free, and their starting to round off. I'm bring my micro torch home from work tommorrow mabe alittle heat on the throttle body where the screw screws in just alittle might do it. As far the coolant leak I'm hoping to just fix a hose or try to reseal the thermostat I think thats the t-stat in the middle of the heads. Anybody else ever have to fight these screws before?
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post #2 of 12 (permalink) Old 08-02-2011, 10:18 PM
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They are notorious. Especially the one you have access via the access plug.
My last Hail Mary try was rigging a P3 bit on the end of a long 1/4" extension, then attaching a 1/4" to 3/8" adapter so I could use my hand impact driver.
And it worked! Took a couple of whacks, but finally got that sucker out.

Check all your hose clamps as they do loosen over time.
The left radiator is a common place for leaks.
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post #3 of 12 (permalink) Old 08-02-2011, 10:23 PM Thread Starter
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They are notorious. Especially the one you have access via the access plug.
My last Hail Mary try was rigging a P3 bit on the end of a long 1/4" extension, then attaching a 1/4" to 3/8" adapter so I could use my hand impact driver.
And it worked! Took a couple of whacks, but finally got that sucker out.

Check all your hose clamps as they do loosen over time.
The left radiator is a common place for leaks.
Thats a good idea I'll try it, I thinking of just drilling off the screw heads and looking for some new screws, but I don't really want to drill.
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post #4 of 12 (permalink) Old 08-02-2011, 10:30 PM
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Thats a good idea I'll try it, I thinking of just drilling off the screw heads and looking for some new screws, but I don't really want to drill.
That was my last resort and I didn't really want to go there.
The hammering and twisting motion of the hand impact driver usually is enough for most bolts or nuts.
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post #5 of 12 (permalink) Old 08-02-2011, 10:32 PM
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I had the same issue but after some real good whacks with a hammer while twisting the screw driver it finally broke free!!
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post #6 of 12 (permalink) Old 08-02-2011, 11:05 PM
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http://www.pbswisstools.com/werkzeug.../hires/190.jpg

This is excatly why I have one of these screw drivers, it over 2' long. (And flexible for that odd andle reaching through the air box.) These are the best damn (in my opinion) screw drivers in the business.

I also carry spares of these...like spares of the oil pan crush washer, plastic fasteners etc....



The very first schoolbook that was written had God all over it. --Dave Mustaine
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post #7 of 12 (permalink) Old 08-02-2011, 11:33 PM
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The two small hoses coming off the thermostat have a habit of leaking and quite a few of my hoses were beginning to tear and rot. The stock hose clamps bite hard on the hoses and do not have the rounded bands they often begin to cut into the hose after awhile.

2001 Honda RC51 SP1
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post #8 of 12 (permalink) Old 08-03-2011, 12:07 AM
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Originally Posted by SubSailor View Post
... My last Hail Mary try was rigging a P3 bit on the end of a long 1/4" extension, then attaching a 1/4" to 3/8" adapter so I could use my hand impact driver.
And it worked! ...
Someone went a little nutty with the red loc-tite on my bike. What Sub said has worked for me, like everyone said, as a last resort. Well a second to last resort. But I frigg'n hate drilling and easy-outs. On hardened steel screws or bolts, no bueno.
Good luck, maybe you don't have a leak. maybe the bottle was just empty when you got the bike. Can you see your level in the rad?

John, 2000 RC51 #000100

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post #9 of 12 (permalink) Old 08-03-2011, 10:39 PM Thread Starter
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well I got three of the screws loose. The far back one was rounded out too badly so I got out the drill I used a magnet to get all the shavings out of there. looks like all be going to the dealer tommorrow for a rear velocity stack and screws. I wonder if its even still available. as for the coolant leak I took out the thermostat housing and cleaned off all the corrosion where the hoses go on ,so I got my fingers crossed on that one I know it was leaking good cause it was dripping and everything. Madbuyer, so that screwdriver you mention what flexes on it, the rod part of it?
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post #10 of 12 (permalink) Old 08-03-2011, 11:28 PM
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Madbuyer, so that screwdriver you mention what flexes on it, the rod part of it?
The #2 bit bites like hell (precision fit) and the shaft flexes well enough to keep your leverage/force to break the screws loose. Of course, you can't fix stupid when people over torque shit, right?

Sound like you are on your way to fixing her up.



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