SnowmobileCity
Newbie
Any one replace a front heat exchanger on a Nytro?? I have the track out, drivers out and now??
I saw a thread that stated you could unbolt the subframe and prop the motor up.
Anyone??
I saw a thread that stated you could unbolt the subframe and prop the motor up.
Anyone??

ShootToThrill
VIP Member
Now remove the subframe and pull the chaincase side frame. And the exhaust shields around the manifolds if I remember correctly. The exchanger is one of the first parts that the chassis starts off with, to give you an idea.
SnowmobileCity
Newbie
cwcsrx700 said:Now remove the subframe and pull the chaincase side frame. And the exhaust shields around the manifolds if I remember correctly. The exchanger is one of the first parts that the chassis starts off with, to give you an idea.
OK. Is there a tech tread that shows any of this?? Never yanked the sub-frame before..
09 RTX
SnowmobileCity
Newbie
Also, has anyone just drilled the rivets and put them back in from under the tunnel??
Looks like that might be doable??
Looks like that might be doable??
SnowmobileCity
Newbie
cwcsrx700 said:Now remove the subframe and pull the chaincase side frame. And the exhaust shields around the manifolds if I remember correctly. The exchanger is one of the first parts that the chassis starts off with, to give you an idea.
Thanks again. I have the new heat exchanger in my hand.
Any threads/pics on subframe dissasembly?????

ShootToThrill
VIP Member
The subframe is pretty straight forward once you get all the plastic, oil tank, headlight parts, etc off. You can leave the a-arms on and tie rods. Just unhook steering linkage from the steering post. Pull the ecm and volt reg and just fold the harness up and out of the way.
SnowmobileCity
Newbie
THANKS!!
Heat exchanger removed!!
Heat exchanger removed!!

ShootToThrill
VIP Member
Make sure you put it together with the Yam rivits and not average hardware store rivits. The Yam rivits are big money but are worth it.
gapl1953
Veteran
heat exchanger replacement
I replaced my Heat Exchanger last season. Quite the job, nearly had to take apart the whole sled. I had parts all over the workshop.
Ditto on the Yamaha rivets, they are a lot stronger than your everyday pop rivets.

I replaced my Heat Exchanger last season. Quite the job, nearly had to take apart the whole sled. I had parts all over the workshop.
Ditto on the Yamaha rivets, they are a lot stronger than your everyday pop rivets.

SnowmobileCity
Newbie
Re: heat exchanger replacement
Roger. Yammi rivits in hand. Will post tomorrow on progress.gapl1953 said:I replaced my Heat Exchanger last season. Quite the job, nearly had to take apart the whole sled. I had parts all over the workshop.
Ditto on the Yamaha rivets, they are a lot stronger than your everyday pop rivets.
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Mountaintech
TY 4 Stroke God
What happened to your heat exchanger? Pics?
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