LockedHot!660 Grizzly how to snorkel

Post
muddygrizzly
Puddle Jumper
2009/04/13 17:35:05
Decided to do a nice step by step write up...
 
 
Parts list....
20ft of 1.5'' flex spa hose
4 ft of 1.5'' pvc
1ft of 2'' pvc
2x2 sheet of aluminun
4- 90* 1.5'' connectors
2-90* 1.5'' threaded connectors
2- 3''to 2'' rubber connectors
Epoxy
Jb weld
Silicone
Dialectric grease
There will be 4 snorkels total.2 for intake and 1 for intake of the trans and 1 for the trans exhaust.
First step is to remove the front rack and top plastic.
Next I removed the factory exhaust snorkel.

Now you will need the 3-2'' rubber reducer. I cut a small 2inch piece from the 2inch pvc put to add strength to the reducer.



This is then insterted into the factory exhaust coupling on the trans.

post edited by muddygrizzly - 2009/04/14 15:36:17
muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/04/13 17:36:14
 Next step is to do the same to the intake in the trans...

Now its time to start cutting!!!!!!!!!!!!!!!

Plumb the spa hose from the connectors for the intake and exhaust of the trans to the front rack.

Now onto the intake...Start by removing the gas tank. Do yourself a favor and empty the gas before this step!!After you take the tank off you will see this....

You are going to need to trim this piece like this....Maybe even a little more.But you will find out later.

Now it is time to take off your factory air lid.  You will need to cut the factory snorkel off. I then made a template of what i cut out and cut a sheet of aluminum to its size.I then epoxyed it to the lid and screwed it down also.Later you will add a bead of silicone to make sure its 100% sealed.But slow your roll grasshopper were not there yet.
Next step is to get a hole saw and cut out 2 2'' holes for the 90* elbows to go into.After cuuting it put the 90* elbows and and tighten the nuts ont he other end.I then mixed up some jb and layed it to make sure it woould never come of and it was sealed.

post edited by muddygrizzly - 2009/04/13 17:43:26
muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/04/13 17:39:16

This is what it will look like on the other side.

Next step is to plumb the air intake hoses from the front...


Then insert them into the two 90s....I put a lot of epoxy to keep them in ,then i put silicone around it for an extra seal.


muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/04/13 17:40:44
Now onto the front. Put the connectors on ...

I cut a piece of aluminum like this....And layed some paint on it.


Next step was to put the rack back on and connect it all.
Now you can put the snorkels up front.And cut them and paint them.....



There you go now just make sure to run up the vent lines. Diffs front and rear. Carb vent and bowl. Then also the gas tank vent. I also dialectic greased everything throughout the project.Just go back over everything after and make sure its all tight and get crazy with the silicone!!!!

QUIK660
Outlaw Extremist
Re:660 Grizzly how to snorkel 2009/04/13 18:08:47
isnt that a heat sheild for the gas tank??? is it ok to cut this???
QUIK660
Outlaw Extremist
Re:660 Grizzly how to snorkel 2009/04/13 18:28:03
do ur hose routes interfere with ur shift linkage???
muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/04/13 18:31:00
I made another heat shield ..Havent had a problem yet... If you want ii can take a pic of it.
The hoses do rub a little its tight. But it shifts fine and nothing is rubbing hard enough to rip it. I have a buddy who flipped the linkeage around and problem solved.
post edited by muddygrizzly - 2009/04/13 18:32:10
QUIK660
Outlaw Extremist
Re:660 Grizzly how to snorkel 2009/04/13 18:55:52
how exactly do u flip the linkage??? could you maybe find a way to secure them along the same rail as all the wiring in the area is run??? maybe some zip ties???? just an idea....cant u buy a modded air box lid already set up with the 90's??
harvey15
Trail Rider
Re:660 Grizzly how to snorkel 2009/04/13 20:38:34
ive got almost the same set up on my bike but i used pool hose and took the heat shield out all together.
QUIK660
Outlaw Extremist
Re:660 Grizzly how to snorkel 2009/04/13 21:15:29
im tryin to find a modded lid for this...i dnt wanna cut mine up. would be will in to pay for one modded. just dont want any hack job on my grizz. runnin without the heat sheild hasnt caused any problems????
muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/04/13 23:04:33
you can buy a replacement new for $19.01 plus shipping...
http://www.bikebandit.com/houseofmotorcycles/yamaha-atv-yfm66fgw-grizzly-660-2007/o/m10422
muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/04/13 23:07:03
QUIK660

how exactly do u flip the linkage??? could you maybe find a way to secure them along the same rail as all the wiring in the area is run??? maybe some zip ties???? just an idea....cant u buy a modded air box lid already set up with the 90's??



All you do is flip it at the end to the other side.
2002 grizzly
Mud Maniac
Re:660 Grizzly how to snorkel 2009/04/14 10:20:35
What size is the flex hose?
BRgrizz
Mud Monster
Re:660 Grizzly how to snorkel 2009/04/14 11:06:14
Looks like 1 1/2". How does it run with this setup?  i had to reduce mine down a good bit, and i have the one that comes between the seat and gas tank.
muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/04/14 15:38:31
Yes 1.5""..So far it runs ok. I havent used it to much but i did rejet.I still need to fine tune it though.
post edited by muddygrizzly - 2009/04/14 15:40:09
QUIK660
Outlaw Extremist
Re:660 Grizzly how to snorkel 2009/04/14 16:17:31
what type of hose is that??? i just found my air box lid and cvt adapters(reducers)
muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/04/14 16:19:22
go to homedepot or lowes or whatever is in your neighborhood. its called flex spa hose .sold by the foot.
QUIK660
Outlaw Extremist
Re:660 Grizzly how to snorkel 2009/04/14 16:27:52
how are you securing your connections to the airbox lid??? cement??? hose clamp??? and also going to ur cvt attachments
muddmonster
Dirt Monster
Re:660 Grizzly how to snorkel 2009/04/14 16:52:06
do you have any problems with engine heat melting the hose.
harvey15
Trail Rider
Re:660 Grizzly how to snorkel 2009/04/14 17:24:13
 no i havent had any problems without the heat shield i did put some heat wrap around my hoses though and i cut a pvc cupling in half and zip tied it to my hose where it touched the heat sheild for my exhaust
muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/04/14 21:17:34
u seee the connections in the pics... I used a pvc nut tightened that down then jb welded everything  then silicone on the outside.
post edited by muddygrizzly - 2009/04/14 21:18:40
muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/04/14 21:19:18
ill take a pic of the heat shield i made.tomroow.
armytaco
Grass Hog
Re:660 Grizzly how to snorkel 2009/04/19 13:32:47
How did you connect the stacks to the tubes? I seen the ends of the hose but did not know how you keep the stacks secured to the hose or the plate? Pics would be nice if you could when you et the heat shield. This helps alot as I did not want to spend $400 a a kit.
cowboycq
Mud Master
Re:660 Grizzly how to snorkel 2009/05/01 21:15:35
quick question.....  will that spa hose stand up to the heat layin on the motor like that goin between the shifter and motor.... and what all vents need to be ran and does the crankcase vent have to be that big as whats on it or can it be reduced to a 1/4" id like the rest???
trv1badcat
Mud Master
Re:660 Grizzly how to snorkel 2009/05/29 01:32:47
? do u just run the crankc ase vent up the snorkles??
BradleyD1146
Trail Rider
Re:660 Grizzly how to snorkel 2009/05/29 15:17:18
Dont use regular silicone. Buy the Marine Silicone they use it on boats and its especially made for fiberglass and other stuff that water comes in contact with. They make some thats a fast cure that takes 24 hours and some that takes like 7 days to dry. You can get it from lowes and it costs about $12-$14 dollars but its well worth it, might save you a motor rebuild by having it sealed the right way.
BlackBrute08
Grass Hog
Re:660 Grizzly how to snorkel 2009/05/30 19:09:10
What size jets did you go with?
StrokerAce
Trail Rider
Re:660 Grizzly how to snorkel 2009/06/23 11:46:35
I would also like to know what size jets you went with.  I have an 03 with an HMF utility and a Uni filter and it runs great now but I would like to snorkle it because I hate the CVT exhaust tube location.  I always fill the CVT up with water when the rear dips down.  Anyways, I just want to be able to dial it in to where it is now after the snorkles.
muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/06/26 17:13:25

Sorry for taking so lonng to respond guys.


To tell you the truth i forgot what jet i put in...Ill look at my kit when i get home and see what jet i am missing.  I am planning on redoing the air intake snorkels when i get a chance.The bike  has been hickuping down low and i think its cause its getting either hot air or just not enough.


muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/06/26 17:14:54
trv1badcat

? do u just run the crankc ase vent up the snorkles??



I didnt move the crank case vent just put it back in the same spot.
muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/06/26 17:16:45
armytaco

How did you connect the stacks to the tubes? I seen the ends of the hose but did not know how you keep the stacks secured to the hose or the plate? Pics would be nice if you could when you et the heat shield. This helps alot as I did not want to spend $400 a a kit.



They sell connectors in the plumbing section. Best thing to do is just get the hose and walk to the coonector sections at your hardware store there are a few different type of coonectors you can use.
muddygrizzly
Puddle Jumper
Re:660 Grizzly how to snorkel 2009/06/26 17:18:53
cowboycq

quick question.....  will that spa hose stand up to the heat layin on the motor like that goin between the shifter and motor.... and what all vents need to be ran and does the crankcase vent have to be that big as whats on it or can it be reduced to a 1/4" id like the rest???



As long as the hose is not laying on anything hot it wont have a problem.If your worried about it wrap it with header wrap .
mudder900
Grass Hog
Re:660 Grizzly how to snorkel 2013/06/03 20:54:47

 
when you connected the crankcase to the 3 to 2 reducer did ur reducer have alot of room between it and the factory connecter my factory will not fit over the 3inch reducer only in it with alot of room


Edit reason: quoted wrong
post edited by mudder900 - 2013/06/04 19:13:18
NCGrizz
Grass Hog
Re:660 Grizzly how to snorkel 2014/10/31 04:43:11
Did you use a 3" to 2" reducer or a 2" to 1 1/2" reducer.  I could not get the 3 to 2 reducer to seal correctly.  Was just wondering if I had or was doing something wrong.
 
Thanks