Triumphrat

bueller

what is the coolant recommended in the service manual ? still havent bought service manual! :hammer:

TBS makes not a lot of horse power and torque also pedestrian but my back tyre keeps spinning up when coming out of low speed corners on the gas? .Is this a gearing thing?? or are the D205 s (sports touring) the problem.They feel reasonably sticky when up to heat?

The bike seems to out preform its on paper spec s and feels gruntier than the numbers indicate.not sure why?

rayhyland

The coolant question is one I need help with too.

I have had overheating problems lately. The shop removed the thermostat, said it wasn't needed in my hot climate.

The bike has overheated in the past - boiled over. The Triumph dealer replaced the cap. Said the old one was faulty.

It still seemed to be running hot, and the electric fan would kick in after a very short ride.

I got the shop to pull out and flush the rad and the cooling system incase I had any rust and scale buildup, and refill with proper coolant.

I still am running hot though - and my temp light will come on if I am stopped at a traffic light, but will go off when I start to move again - even though the electric fan is running.

I know someone posted a note about some coolant additive that worked really well, but I cant find that post. Does anyone remember what it was called?

Ray in hot Singapore.

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Wombat

Your dealer is an idiot and should be told so.

If you ever remove the thermostat from any engine, you should always put back in the restrictor plate which is the base of the thermostat. This will have the same affect as the thermostat being fully open all the time.

Part of the purpose of a thermostat is to restrict the flow of coolant, even when its fully open.

If the coolant flows too fast through the system, it will not be in the radiator for long enough to cool down and will consequently overheat.

Have your dealer replace your thermostat immediately and diagnose why the motor is overheating.

Or better yet find a dealer who has a clue as to what he is doing.

Bob

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Bob

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UJMrider

It's called "Water Wetter." Don't know if it's sold in Singapore but you can probably mail order it. I got it at a local bike shop.

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jimmyj900

I use Honda pre-mixed. It's a bit expensive but designed specifically for motorcycles.

Check your tire pressure and look at your tire! A round profile new tire should wear into a smooth oval profile. If you're seeing a "V" shape as you look at the profile you're running under-inflated. If you're seeing a flat center strip with sharp corners on the sides of the flat, you're running over-inflated.

Jim

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jimmyj900

Wombat is quite right about the need for a thermostat. Put it back in!

There are several 'water wetters' on the market and probably all the same stuff. If you look up Redline coolant additive you'll find some information on the subject.

Jim

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bueller

Good one Jim I had completely forgotten I have the bike setup for 2 up riding !
Stiff suspenson settings and 38 psi cold in the rear.I have been riding it so much lately solo I sort of just got used to it .Guess I will have to stop being lazy make the changes .Seem totally obvious now .thanks.

rayhyland

Thanks Guys,

I called the Dealer and asked to have it put back in.

Unfourtunately there is only one dealer here.

I gave them the bike this morning with a list of stuff to do longer than my arm. Likely wont get it back for a couple of weeks.



Ray

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"It will always be better to be shot out of a cannon than squeezed out of a tube, and that's why God made fast motorcycles" - HST

Greaser

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SO if the water is going through the rad so fast it can't cool down, how does it heat up in the motor if it is going through that at the same speed too?
:???:


I have actually tested this theory of "water going through the rad so fast it can't cool down" on a 65 Chrysler with a 383 (don't ask!)

The results were the car ran longer WITHOUT the thermostat than with the thermostat before boiling over.
I don't remeber how long but it was at least in the 5-10 minute range. I also took the fan off to spped up the heating process.


This is an old wives tale!!!!!!!!!!!

I only remove the one in the 65 Chrysler as we were running in a demoliton derby. :-D


My bike was overheating this spring as a result of old coolant and an old rad cap.


[ This message was edited by: Greaser on 2005-10-04 12:44 ]

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walshja

the function of a thermostat is to ensure the engine temperature reaches the proper operating temperature, and stays at that temperature.

it is not designed to keep the engine temperature low.

so yes, you can run a motor without a thermostat, but chances are it will not reach the temperature the engine was designed to run at.

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1978 Yamaha 650 special, 1983 Suzuki gs550
1979 WR250 Husqvarna, 1972 Honda MR50