antifreeze change

[caseking]

Hi every one
When you change antifreeze on nc30 do you use distilled water 50/50 mix? as when i sevice my bike want to change it.


THANKS
CASEKING

[wullvfr]

do you use distilled water 50/50 mix?

spot on mate



wull

[Spike16]

it often says on the bottle what concentration to put in but generally 50/50 is right (can differ for different makes)

when you drain the old stuff out get a bottle of rad flush and flush the system out, just cleans all the crap out the system and will possible keep the temp down a bit more

[Speedy]

The mixture can be varied slightly for Winter or Summer, but the 50/50 ratio is suitable for both extremes! If you're going to flush the system, remove the 2 front plugs as well as the one at the pump, then get a water hose on the top rad filler neck and flush away with the water!

[Neosophist]

Indeed.

There are 3 drain plugs as mentioned.

2 under the front cylinders and one in the Water pump, remove them and remove the bottom hose from the water pump and give it a good flush thru with a hose pipe.

50/50 is fine for most brands.. make sure its low silica (as the silica can damage the rotor blades of the pump)

Bleeding it is important to do properly.

Attatch all hoses / drain bolts.

Engine on sidestand, refill with coolant and fill up coolant bottle to max.

Start engine WITHOUT rad cap and allow to warm up to operating temp (needle 1/2 way)

Snap throttle to 5000 rpm 4 - 5 times to purge out any air.

Kill throttle and allow to cool

Top off and replace rad cap.

[CMSMJ1]

I don't use 50/50. Water alone is the best coolant but a touch of antifreeze for the corrosion inhibitors and to make your overflow bottle pretty colours...

I prob use 10% coolant and change it and flush it every couple of months. IN fact, my lower rad is sittign in a bucket of water now getting a good soaking before I prod the crap out of it wang it in the dishwasher for a proper clean out

The moto was running at 90 on the motorway yesterday so with the fins being 80% mud and flies it was abotu time I cleaned it...