pain getting belt on nytro

yammi4ever · Dec 16, 2012

I have a shockwave with the AC green spring and it is almost impossible to to change belts. I usually just give up and pull the primary when i am doing maintenance in the shop.

Just looking for any tips some of you might use to make it easier if I ever do need to do it out in the woods someday. Good thing these things are easy on belts.

Thanks

kirk

allanhanes · Dec 16, 2012

belt change.

i drilled and taped shockwave adjuster on the helix for 1/4 thrads and just carry as bolt and usually have a 7/16 wrench on me or an all 16ths wrench too. work good.
Jamie

judger101 · Dec 16, 2012

hmm ive never really had a problem, just have to push and make sure to hold the back of the clutch tight.

yammi4ever · Dec 16, 2012

judger101 said:
hmm ive never really had a problem, just have to push and make sure to hold the back of the clutch tight.

Send me a video I must be doing something wrong. Never had a real problem with nonturbo sleds but this turbo with stiffer spring wound pretty tight gives me fits all the time

yammi4ever · Dec 16, 2012

allanhanes said:
i drilled and taped shockwave adjuster on the helix for 1/4 thrads and just carry as bolt and usually have a 7/16 wrench on me or an all 16ths wrench too. work good.
Jamie

I would love to see a pic of this if you can. I thought you Canadians were metric. What are you doing using standard threads lol.

Thanks

rotax · Dec 16, 2012

yep, yamaha's are pita to change/remove belts.
specially turbos w/ stiff springs.

i'm not a big dude and it was never simple for me to do alone.

the drill/tap/bolt idea is prob the best yet. make it like it should be.
Doo and team/Pol have been doing it that way for quite a while.

BOOSTD · Dec 16, 2012

Push in and clockwise on the helix and it should come right off. Put a little "man" on it and it will open right up and slip the belt out.

martin_e_wilson · Dec 16, 2012

Just push belt down into secondary with left hand and kick the helix can change mine in 2 seconds

Tuesday · Dec 16, 2012

BOOSTD said:
Push in and clockwise on the helix and it should come right off. Put a little "man" on it and it will open right up and slip the belt out.

This is exactly what I do.......sheaves pop right open. I have seen all kind of people wrestle with belts then I show them that trick, bang opens right up.

As i push in and clockwise sometimes I use 1 hand on the inner sheave/belt and also rotate is clockwise.

Just make sure the lock the brake.

yammi4ever · Dec 16, 2012

Tuesday said:
This is exactly what I do.......sheaves pop right open. I have seen all kind of people wrestle with belts then I show them that trick, bang opens right up.

As i push in and clockwise sometimes I use 1 hand on the inner sheave/belt and also rotate is clockwise.

Just make sure the lock the brake.

Ok ding ding ding....... The brake is what I have been missing. I saw a dealer mechanic years ago make it look so easy and I think hat is what I had forgotten. THE BRAKE. LOL. Hopefully this works as well with the shockwave as I remember him doing on stock apex. Thanks, I will try tomorrow and see how it goes.

BigFish BC · Dec 17, 2012

i think someone is working on a tool for this with a alpine black turbo spring its a 2man job:jaw:

yammi4ever · Dec 17, 2012

BigFish BC said:
i think someone is working on a tool for this with a alpine black turbo spring its a 2man job:jaw:

Yeah, I set the brake today and got the belt back on, but it was still no easy task. I would definitely be interested in this tool. I think the AC green is similar to the black alpine, but not sure.

For those who say it a easy no prob deal, feel free to post up a video showing how you do it without turning green and busting out of your clothes LOL.

Turbo sleds only

allanhanes · Dec 17, 2012

drill and tap

I will get you a picture as soon as i am in my shop next. I custom order standard bolts up here in canada. lol. i also did it to my skidoo as that shockwave does not have any easy way to unload the belt aswell.

LuckydawgAK · Dec 17, 2012

Once I boosted and went to a bigger spring I couldn't change the belt easy either, especially after shredding one where it was kind of jammed up.

I got one of these:

http://www.richmotorsports.com/store/yamaha-belt-change-tool-nytro.html

Much easier now.

SNAFU · Dec 17, 2012

The only way I could do this with my shockwave and AC green spring was to put a wrench on one of the three bolts holding the helix on. Turn and push the helix in. Not sure this is the best method though. I am scared I may twist off one of the bolts so I am trying to figure out if there is a better technique.

yammi4ever · Dec 17, 2012

LuckydawgAK said:
Once I boosted and went to a bigger spring I couldn't change the belt easy either, especially after shredding one where it was kind of jammed up.

I got one of these:

http://www.richmotorsports.com/store/yamaha-belt-change-tool-nytro.html

Much easier now.

Yes I have seen those but they will not work with the shockwave.

pylon · Dec 18, 2012

Orrrr you can use your foot . hold the brake stand next to the sled and push in and clock wise on the helix with your foot . belt come right off .

LuckydawgAK · Dec 18, 2012

yammi4ever said:
Yes I have seen those but they will not work with the shockwave.

Gotcha, shockwave! I now see that on the OP.

m8magicandmystery · Dec 18, 2012

i lock the brake and use a rubber strap wrench on the helix and push as i turn...

the strap wrench grips good and gives leverage..

Mountaintech · Dec 19, 2012

rotax said:
yep, yamaha's are pita to change/remove belts.
specially turbos w/ stiff springs.

i'm not a big dude and it was never simple for me to do alone.

the drill/tap/bolt idea is prob the best yet. make it like it should be.
Doo and team/Pol have been doing it that way for quite a while.

No more of a PITA than other brands. At least you don't need tools to change a Yamaha belt. Good technique is the key. Plus, belt changes are few and far between on Yammys. Haven't bought a belt in 3 years and I'm turboed (250+)

pain getting belt on nytro

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