Radiator Protection Screen - Honda Rebel 300 & 500 Forum
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post #1 of 12 (permalink) Old 12-06-2017, 08:49 PM Thread Starter
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Radiator Protection Screen

The radiator on the Rebel is in a rather exposed position, and to further add to that, its in a direct path of spray and mud thrown up by the front tyre when riding in the wet.

The fins of the radiator are also very fragile, seemingly made of chocolate wrapper foil and the cooling channels are very small and can be easily blocked by debris, grass seeds and bugs.

In order to protect the fins and stop gunk from wrecking the radiator I fitted a screen behind the cover that will stop most of the bad stuff and allow easy cleaning if it gets crudded up. I thought I'd share so that any of you could do the same.

First off are tools and materials. You will need:

1 x 5mm hex key, cutting tools, glue gun or double sided tape and nylon insect screen/mesh.



To remove the radiator cover, just undo the two 5mm hex head cap screws shown here, repeat for the other side and pull the cover forward to remove.



The size of the mesh required is almost exactly ISO A4 paper size, so you can use that as a template to cut your mesh to the size needed.



With that done, place the mesh inside the cover and use some dots of hot glue or tape to hold it in place.



While you have the cover off it's a good opportunity to clean and inspect the radiator. Just use a gentle spray from the garden hose and a very soft brush. Do NOT use a pressure cleaner! I've seen somebody ruin their radiator by blasting all of the fins flat.



Now that it's all clean, just fit the cover back on and loosely fit the four cap screws, shorter ones to the top, longer ones to the bottom. Now finish inserting the screws, making sure that the boss on the shank of the screw goes inside the hole in the cover tab as shown below. You may need to jiggle the cover as you turn the screw to get it in correctly.



With all screws seated correctly finger tight, take the hex key and torque up the screws to "that feels just right".

And that's all there is to it. Your radiator now has some added protection.

I've used this mod on many cars and a few bikes without any problems like overheating and it's much easier and safer to blow the crud off the mesh screen than to risk damage to the radiator.

Cheers

Jim
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post #2 of 12 (permalink) Old 12-07-2017, 09:41 AM
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That's actually not a bad idea..!
Gonna have to do this myself when I take the bike out from storage again! Thanks Jim!

Lyoko - Black Rebel 500
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post #3 of 12 (permalink) Old 12-07-2017, 09:55 AM
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Jim,

That is a good idea to protect the radiator.

I am hoping some one soon manufacturers a fender extender for our Rebels.

Kenny G
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post #4 of 12 (permalink) Old 12-07-2017, 02:22 PM
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An amazing build!

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post #5 of 12 (permalink) Old 12-12-2017, 03:30 AM
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Brilliant!

Time to find metal mesh. No issue with heat.
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post #6 of 12 (permalink) Old 12-15-2017, 08:45 AM
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I decided to do this too, fantastic idea and pretty easy (especially with a hot glue gun)

I used 2mm metal mesh, apologies for the slightly dodgy images I had to resize them to upload.
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Last edited by dispo; 12-15-2017 at 08:48 AM.
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post #7 of 12 (permalink) Old 12-25-2017, 04:49 AM
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Great tip. Thanks.
I am using aluminium mesh (not corrosive), used to protect basement windows.
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post #8 of 12 (permalink) Old 05-02-2018, 08:58 AM
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I can't recommend hot glue...

After two months of testing I can't recommend hot glue to fix the mesh. Especially when using alu mesh, the mesh becomes so hot, that the glue dissolves and messes up the radiator. I have removed the hot glue again with a hot air blower and use now short pieces of stainless steel wire to attach my alu mesh to the plastic grid. This works much better.
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post #9 of 12 (permalink) Old 05-02-2018, 04:12 PM
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I like this idea. When I was doing my oil change today I noticed how much dirt and crap gets thrown at the radiator. My only worry is how badly they affect air flow.
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post #10 of 12 (permalink) Old 05-03-2018, 08:26 AM
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I prefer extend front fender to radiator screen.
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