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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc.


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Old 02-14-2019, 01:49 PM
CDBiker220 CDBiker220 is offline
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On my 07 GasGas it had one of those instead of a thermostat (#16). On my 2012 the thermostat deformed and I could not clamp a hose to it so I replaced it with one of those.


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Old 02-14-2019, 03:28 PM
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RudolfHucker RudolfHucker is offline
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Please don't mistake me for any kind of expert but I'm surprised that something like this would make much difference. The added surface area seems to be fairly small as a percentage of the radiator surface.

If cooling is an issue, would an uprated water pump not be a better option to shift the coolant faster round the radiators? Or a radiator fan to improve cooling airflow rates in slow riding? Probably would ditch the thermostat as it must restrict water flow even when fully open.
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Old 02-14-2019, 07:29 PM
swazi_matt swazi_matt is offline
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Quote:
Originally Posted by RudolfHucker View Post
Please don't mistake me for any kind of expert but I'm surprised that something like this would make much difference. The added surface area seems to be fairly small as a percentage of the radiator surface.

If cooling is an issue, would an uprated water pump not be a better option to shift the coolant faster round the radiators? Or a radiator fan to improve cooling airflow rates in slow riding? Probably would ditch the thermostat as it must restrict water flow even when fully open.
I tend to agree.

With regards to replacing the thermostat with one of these I have always worried that you have a hard edgy metal piece right next to your radiators, the chance of it rubbing a hole in the rad must be quite high and definitly outweighs any heat transfer benefits.

with regards to heat transfer you will be better off fitting a fan kit from the GG trials bikes and a manual switch to turn it on and off as you want
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Old 02-15-2019, 02:01 PM
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I have made a mod to pipe 16 and I was concerned about radiator damage but with some care it is non issue.

I've cable tied a small bicycle pump mount and velcro'd the pump on. All things considered it's far more likely to be useful.
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