MXR problems

Kic · Post by **Kic** » Mon Oct 29, 2007 7:12 pm

Managed to find another universal coil and complete the body work.

here it is:

Still needs some aligning but it looks good in global

gileraXR1 · Post by **gileraXR1** » Tue Oct 30, 2007 9:54 am

Hi Kic!

Well.... I repeat..... I'm a purist!
But it's look very good!!!

it.: Bella!!!

Ciao

Marco

Kic · Post by **Kic** » Tue Nov 06, 2007 8:34 pm

Hi friends !

Problems again

Some thing is wrong with the cooling system.

Here is the report:

When i was building the bike i cleaned everything including the radiator.
there was no thermostat (previous owner must of took it out).
all tubes are clean and the water pump is brand new, so there is no restriction in the system.

The problem is overheating. when i drive slow (low rews) the temp gauge is a bit over the middle of the scale but when i drive hard it throws the water form the system through the expansion bottle and the temp gauge jumps on the red area.

Anyone have an idea?

Post by **Joachim** » Tue Nov 06, 2007 9:30 pm

Kic wrote:but when i drive hard it throws the water form the system through the expansion bottle and the temp gauge jumps on the red area.

blown head gasket?
Maybe the piston is pressing gas from the combustion chamber up in to the cooling system.
Bubbles will indictae this.
You may ask in a car workshop for a test. They usually have some kind of indicator liquid to detect CO in the cooling liquid.
Maybe.....

ciao joachim

Kic · Post by **Kic** » Tue Nov 06, 2007 10:04 pm

Head gasket is new

i`w checked the head and "worked" the lips so there is no scoring.

I`l check the gasket again tomorrow but i doubt it`s blown

Post by **Joachim** » Tue Nov 06, 2007 10:30 pm

you have torqued the nuts well with a reliable torque wrench?

ciao Joachim

gileraXR1 · Post by **gileraXR1** » Wed Nov 07, 2007 9:45 am

Hi Kic!

Trivial question: is there enought water into cooling circuit?

It's possible that there is air into circuit?
I mean..... when you loaded water into cooling circuit, did you tilt your bike several times on right side to leave out air from circuit?

Sometimes there is a lot of air into cooler circuit.... and temperature jump on red area.....

Good luck!

Ciao

Marco

Kic · Post by **Kic** » Wed Nov 07, 2007 12:36 pm

2Joachim> I did not use a torque wrench... torqued them by touch

gileraXR1 wrote:Hi Kic!

Trivial question: is there enought water into cooling circuit?
It's possible that there is air into circuit?
I mean..... when you loaded water into cooling circuit, did you tilt your bike several times on right side to leave out air from circuit?
Sometimes there is a lot of air into cooler circuit.... and temperature jump on red area.....

Good luck!

Ciao

Marco

Did that. I am sure that the system was full.

Kic · Post by **Kic** » Wed Nov 07, 2007 4:43 pm

The problem is sorted

the head bolts were not tighten enough...

TNX Joachim!

Post by **Joachim** » Wed Nov 07, 2007 5:12 pm

you defintly should use a good torque wrench for doing things like this.
Maybe there is somewhere one to lend.

ciao Joachim

Kic · Post by **Kic** » Wed Nov 07, 2007 6:13 pm

A friend of mine lend it to me. USAG brand (lifetime guarantee).

torqued them to 20Nm. that`s enough right?

Post by **Joachim** » Wed Nov 07, 2007 6:35 pm

My manuals tell about 20 to 22 Nm for the CX
Hope that is all the same on the 125ccm engines

Good luck.

ciao joachim

gileraXR1 · Post by **gileraXR1** » Fri Nov 09, 2007 4:19 pm

Joachim wrote:My manuals tell about 20 to 22 Nm for the CX
Hope that is all the same on the 125ccm engines
Good luck.

ciao joachim

Hi Kic!
I've take a glance at Gilera workshop manual for MXR:
I confirm Joachim's data torque (20 - 22 Nm)

Have a nice day!

Ciao

Marco

hahne · Post by **hahne** » Tue Nov 13, 2007 2:21 am

Othersides; there is a sticker ( normaly) at your head, with torque! Bye Gottfried

gileraXR1 · Post by **gileraXR1** » Tue Nov 13, 2007 9:29 am

hahne wrote:Othersides; there is a sticker ( normaly) at your head, with torque! Bye Gottfried

Hi Gottfried!
Yessss! It's true!
It's this!

Ciao

Marco