I have a 2000 vlx600 with a bad radiator and new stock is unattainable for years 99'-03. But, theres a maker for years 88'-98'. Only difference I notice is the abcense of a port for the line that comes off the intake manifold on the older style rad. If I plug the coolant line going to the intake manifold and just remove the line going to the rad from the intake, can I run the older style rad? Does anyone know if there will be any fitment issues? i appreciate any help.
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Radiator Compatibility
Will older style radiator fit newer bike with intake coolant line delete?
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Richard ThompsonLoyal Forum MemberYou have been a loyal poster and contributor to the forum and we thank you for your membership and participation! You are Awesome!If I'm getting this right, the intake might be the overflow tank? Is that what you are thinking of pluging? Might be a bad idea without somewhere for the fluid to go when the engine is hot. TJ will have a better answer, but you can plug the line if you have somewhere to allow the fluid to go when hot and be taken back in when the bike cools. TJ has an external coolant overflow tank in the shop. It mounts to the frame. If the port is at the bottom of the rad, maybe a TJ tank can be mounted at the bottom of the bike? Hope this helps
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TJ Admin Staff memberModeratorMember who has the rights to delete posts, and ban members form forum if they violate the rules.@David Bice you dont need the coollant line from the inake. get the older style radiator and go ride.
If you have tried to remove the single carb from your bike, you may have noticed 2 coolant lines that come from the motor and attach to a little "Y" shaped junction. This junction is a dead end, it does not go into the carb. Coolant is passed through a small dead end on the backside of the single carb Honda shadow. This is done not to cool the carburetors, but to heat them. The idea is to prevent the formation of ice in the carburetor throat as fuel is evaporated. Fuel evaporation can cause extreme temperature decreases in the throat of the carburetor. During particularly humid and cool weather conditions, such as riding in clouds or fog, ice could form in the carburetors and prevent the engine from running.
That is the theory. In practice, this rarely happens. There is also a downside to this carb heating. At upper elevations and at high temperatures, the heating of the carbs can be excessive and actually cause the fuel to boil preventing the engine from running. While I have neither heard of nor experienced any instances of carb icing on the Honda Shadows, there have been many reports of this condition arising.You can remove the coolant lines from your carburetor. Just unscrew that little junction and pull it out of your carb. You can then connect the line going from your radiator to the intake manifold or you can plug them. If you choose to plug them remember those ports are under pressure so you can't just use a vacuum plug. A simple method is to use a large bolt threaded into the hose then hose clamp around the bolt so it cant back out.
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TJ Admin Staff memberModeratorMember who has the rights to delete posts, and ban members form forum if they violate the rules.
@Richard Thompson the overflow line comes directly off of the filler neck. the nipple hes referring to is for a "carb warming circuit" and is not necessary
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