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Re: Which year Yamaha Bravo [Re: On a Call] #2866539
12/04/11 07:47 AM
12/04/11 07:47 AM
Joined: Dec 2006
Posts: 2,255
Homer, Alaska
Family Trapper Offline
trapper
Family Trapper  Offline
trapper

Joined: Dec 2006
Posts: 2,255
Homer, Alaska
Well for an update and some new info.
Here is the new project. A guy gave this to me free about 5 years ago. An extra motor and some parts and pieces. Been sitting in the grass till now. Time for the resurrection. Internal parts are not really that worn. The cowling is in sad shape and I need to make new attachments for the front. Got that one figured out as we had to build one each for two others. Made them out of some scrap aluminum.





Pulled every thing off, motor, both primary and secondary clutch and chaincase.
What I found was one of the clutch ramp buttons missing. For kicks we took my sons off to and found one missing on his as well. Can't say that I we noticed anything when riding it but it seems to be a pattern. You can take the secondary off with a three bolt center puller. I would suggest doing this as with the puller it is probably a 15 min job to get into the jack shaft bearing. When is the last time you serviced that one. ;0) This one needed some grease.


My puller is no where near this fancy. Inexpensive.


Worth ordering these babies. $14 for a set of three locally. Think I saw them on the web for a about 4 bucks.
We replaced one of mine with one of Garrity's and he got a new set.



Looking in at the exhaust port it looked like the piston might have some grooves. Compression seemed good, didn't verify but decided to take it off and have a look anyway since I have gaskets, pistons, and rings on hand.
4 bolts and off it comes.


About as easy a piston access as you get.

Another thing to look at on your bravos is the rubber button cushion between your motor and the side wall. I have seen a lot of failures on the older machines. I ordered some extras of these. This one is nearly cracked off.


Undercarriage is all serviced and ready to go. Have to travel for 10 days so most everything else will have to wait.
Plan on painting things up and putting on a storage box and a soft cushion ride. Will have it ready to go for the holidays with the kids. Heck we can have our own bravo races with 4 running in Homer. ;0)

Re: Which year Yamaha Bravo [Re: On a Call] #2866677
12/04/11 10:45 AM
12/04/11 10:45 AM
Joined: Oct 2009
Posts: 356
Atlin, British Columbia Canada
C
cat catcher Offline
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cat catcher  Offline
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C

Joined: Oct 2009
Posts: 356
Atlin, British Columbia Canada
anyone put handle bar warmers on a bravo? sure would be nice

Re: Which year Yamaha Bravo [Re: On a Call] #2866862
12/04/11 12:50 PM
12/04/11 12:50 PM
Joined: Feb 2009
Posts: 1
Galena Alaska USA
Y
yukontrapper Offline
trapper
yukontrapper  Offline
trapper
Y

Joined: Feb 2009
Posts: 1
Galena Alaska USA
Very nice post FT. Great pics, and informative. Freezing rain all evening and last night...thinking bout adding car wipers onto the bravo! Terrbible condiditions this year around these parts...

Re: Which year Yamaha Bravo [Re: On a Call] #2866883
12/04/11 01:00 PM
12/04/11 01:00 PM
Joined: Mar 2007
Posts: 35,102
McGrath, AK
W
white17 Offline

"General (Mr.Sunshine) Washington"
white17  Offline

"General (Mr.Sunshine) Washington"
W

Joined: Mar 2007
Posts: 35,102
McGrath, AK
So when did they add that second fuel tank on the outside? Has the main always been under the cowling ? I'm not wild about that fuel tank being located over a hot muffler.


Mean As Nails
Re: Which year Yamaha Bravo [Re: On a Call] #2866988
12/04/11 02:19 PM
12/04/11 02:19 PM
Joined: Dec 2006
Posts: 2,255
Homer, Alaska
Family Trapper Offline
trapper
Family Trapper  Offline
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Joined: Dec 2006
Posts: 2,255
Homer, Alaska
White I think around the mid nineties. I have a 97 with dual tanks.
Cat someone mentioned that you won't get the heat out of a pair like you will a bigger machine. I had purchased a pair and never put them on after hearing that.
The new old bravo we purchased has them on it and they do get warm enough to make my 12 year old daughter happy.

Re: Which year Yamaha Bravo [Re: On a Call] #2867013
12/04/11 02:40 PM
12/04/11 02:40 PM
Joined: Dec 2006
Posts: 2,255
Homer, Alaska
Family Trapper Offline
trapper
Family Trapper  Offline
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Joined: Dec 2006
Posts: 2,255
Homer, Alaska
A few years back the bravo I purchased new, and most problematic so far, lost spark the beginning of the second season using it. This test from the manual helped to diagnose the problem.
One has to wonder if it is a connection, cdi coil or stator.
This test easily diagnosed it. It was the stator. The repair is pretty easy. Takes awhile but requires no special tools to replace but you do need an ohm meter to test. Actually a simple on off light would tell you if you have connectivity. These wires come right out of the motor. It is found behind the flywheel and fan. I had no connectivity let alone a given ohm reading.

Re: Which year Yamaha Bravo [Re: On a Call] #2867208
12/04/11 04:26 PM
12/04/11 04:26 PM
Joined: Jan 2010
Posts: 10,801
S/E Mich - N/W Ohio
On a Call Offline OP
trapper
On a Call  Offline OP
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Joined: Jan 2010
Posts: 10,801
S/E Mich - N/W Ohio
Electrical testing narrows the problem but when you are out in the bush what do you guys do then..if alone ?

I have had to walk out before and I really did not enjoy that night as it was a cold one. At least I had packed snow to walk on and only a few mile walk.

Re: Which year Yamaha Bravo [Re: On a Call] #2867216
12/04/11 04:31 PM
12/04/11 04:31 PM
Joined: Mar 2007
Posts: 35,102
McGrath, AK
W
white17 Offline

"General (Mr.Sunshine) Washington"
white17  Offline

"General (Mr.Sunshine) Washington"
W

Joined: Mar 2007
Posts: 35,102
McGrath, AK
Electrical problems are a pain. I have only walked home once and it was an electrical issue. Got the other machine and towed the other one back to the cabin and pulled the engine. It turned out to be a cracked wire under the stator plate.


Mean As Nails
Re: Which year Yamaha Bravo [Re: On a Call] #2867393
12/04/11 06:08 PM
12/04/11 06:08 PM
Joined: Feb 2009
Posts: 1
Galena Alaska USA
Y
yukontrapper Offline
trapper
yukontrapper  Offline
trapper
Y

Joined: Feb 2009
Posts: 1
Galena Alaska USA
FT- 4-5 guys who got the newer bravo had the stator wire break off. I know a few of them who got one new took it apart right away and soddered the wire right away. I didn't yet and i am pushing 2K miles. Over all i am happy with it so far.

Re: Which year Yamaha Bravo [Re: On a Call] #2867443
12/04/11 06:40 PM
12/04/11 06:40 PM
Joined: Dec 2006
Posts: 3,886
Bethel, AK
Kusko Offline
"Mr. Mayor"
Kusko  Offline
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Joined: Dec 2006
Posts: 3,886
Bethel, AK
White, did you make the door on your cabin wide enough to put a machine in it if need be?

I guess a guy could just put a wall tent up and around the machine.


"There are three things I have learned never to discuss with people: religion, politics and the Great Pumpkin." Linus Van Pelt

www.alaskafinandfur.com
Re: Which year Yamaha Bravo [Re: On a Call] #2867513
12/04/11 07:15 PM
12/04/11 07:15 PM
Joined: Mar 2007
Posts: 35,102
McGrath, AK
W
white17 Offline

"General (Mr.Sunshine) Washington"
white17  Offline

"General (Mr.Sunshine) Washington"
W

Joined: Mar 2007
Posts: 35,102
McGrath, AK
No, unfortunately the cabin was built before I had a machine there. That's why I pulled the engine...so I could take it inside and work on it.

Yep you could do the wall tent thing but it could be cramped with a stove in there too.


Mean As Nails
Re: Which year Yamaha Bravo [Re: On a Call] #2867578
12/04/11 07:46 PM
12/04/11 07:46 PM
Joined: Oct 2009
Posts: 356
Atlin, British Columbia Canada
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cat catcher Offline
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Posts: 356
Atlin, British Columbia Canada
there is an updated stator now

Last edited by cat catcher; 12/04/11 07:46 PM.
Re: Which year Yamaha Bravo [Re: On a Call] #2867736
12/04/11 08:41 PM
12/04/11 08:41 PM
Joined: Jan 2010
Posts: 10,801
S/E Mich - N/W Ohio
On a Call Offline OP
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Joined: Jan 2010
Posts: 10,801
S/E Mich - N/W Ohio
Why not just work outside on the wires ?

cool

Re: Which year Yamaha Bravo [Re: On a Call] #2867804
12/04/11 09:10 PM
12/04/11 09:10 PM
Joined: Mar 2007
Posts: 35,102
McGrath, AK
W
white17 Offline

"General (Mr.Sunshine) Washington"
white17  Offline

"General (Mr.Sunshine) Washington"
W

Joined: Mar 2007
Posts: 35,102
McGrath, AK
Too hot out there


Mean As Nails
Re: Which year Yamaha Bravo [Re: On a Call] #2867989
12/04/11 10:24 PM
12/04/11 10:24 PM
Joined: Jan 2010
Posts: 10,801
S/E Mich - N/W Ohio
On a Call Offline OP
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Joined: Jan 2010
Posts: 10,801
S/E Mich - N/W Ohio
I heard they are catching a chinook over near Delta 48 F wow.

No need for sleds in that weather.

Re: Which year Yamaha Bravo [Re: On a Call] #2893372
12/18/11 08:10 AM
12/18/11 08:10 AM
Joined: Dec 2006
Posts: 2,255
Homer, Alaska
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Joined: Dec 2006
Posts: 2,255
Homer, Alaska
Not to let a good thread die.
Back home for the Holidays and trying to get the beater Bravo running.
First we had to get Garrity's up and out of the shop. After he burned up the drive bearing under the speedo we decided it was better just to go through the whole thing now that we are practiced up. One stuck bolt led to another problem and well we ended up taking out the Gear box the secondary clutch and all the bearings.
His plastic spring holders were worn right through and wearing through the pastic holding pin. So we built new ones out of HDPE. We built in three different tension heights as well.
I have run bravos for 5 years now and learned something I did not know about the suspension.
It has three adjustments holes for increasing the tension. DAAA!

This is original plastic on mine that is still good but you can see the top hole for greatest tension.



Here is a shot of the new plastics.


The problem as it turns out when it was on the highest plastic setting is that as we watched the suspension the spring actually went veritcal enough when bottoming out that it looked like it could hit the track clips. So I cut off about 3/4 of an inch of the ends just to be sure. They set out a lot farther than needed.


Put on some break pad replacements and Garrity's bravo is back up and out the door. Well it made it a half block until the secondary clutch came off with a bang on the test ride. ;0) Woops forgot to tighten that! blush blush
Okay second try all is good.
Now time for my beater.

The tunnel on mine was getting rust holes through it so I coated the whole thing with marine figerglass "Dynaglass". Should cut down on the rusting.
Not to let a good thread die.
Back home for the Holidays and trying to get the beater Bravo running.
First we had to get Garrity's up and out of the shop. After he burned up the drive bearing under the speedo we decided it was better just to go through the whole thing now that we are practiced up. One stuck bolt led to another problem and well we ended up taking out the Gear box the secondary clutch and all the bearings.
His plastic spring holders were worn right through and wearing through the pastic holding pin. So we built new ones out of HDPE. We built in three different tension heights as well.
I have run bravos for 5 years now and learned something I did not know about the suspension.
It has three adjustments holes for increasing the tension. DAAA!

This is original plastic on mine that is still good but you can see the top hole for greatest tension.



Here is a shot of the new plastics.


The problem as it turns out when it was on the highest plastic setting is that as we watched the suspension the spring actually went veritcal enough when bottoming out that it looked like it could hit the track clips. So I cut off about 3/4 of an inch of the ends just to be sure. They set out a lot farther than needed.


Put on some break pad replacements and Garrity's bravo is back up and out the door. Well it made it a half block until the secondary clutch came off with a bang on the test ride. ;0) Woops forgot to tighten that! blush blush
Okay second try all is good.
Now time for my beater.

The tunnel on mine was getting rust holes through it so I coated the whole thing with marine figerglass "Dynaglass". Should cut down on the rusting.

Under carriage is almost complete. Ordered slides two years ago and was glad I had them on hand. Went to put them on and ARGGG. Wrong ones. Can't even remember who I bought them from. Yamaha SMA-8FS92-00-BK
If anyone has this sled I have a deal for you.
Yamaha
Apex Mountain, 2006-2008
RS Vector Mountain SE, 2006-2008

So it is raining here. Oh Joy.

Last edited by Family Trapper; 12/18/11 08:15 AM.
Re: Which year Yamaha Bravo [Re: On a Call] #2893604
12/18/11 11:33 AM
12/18/11 11:33 AM
Joined: Nov 2007
Posts: 1,331
north Idaho
decoy Offline
trapper
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Joined: Nov 2007
Posts: 1,331
north Idaho
Take a deep breath and count to 10, well maybe 100. :-) Love your can-do attitude and the school'n Garrity is gett'n.


Hunt with your Kids, not for them.
>>>----->

Re: Which year Yamaha Bravo [Re: On a Call] #2893828
12/18/11 02:16 PM
12/18/11 02:16 PM
Joined: Dec 2006
Posts: 2,317
Montana
mtbadger Offline
trapper
mtbadger  Offline
trapper

Joined: Dec 2006
Posts: 2,317
Montana
I agree with Decoy Len.

Thanks for all the pics and the info you are sharing. I will be looking for a Bravo for the kid now...


Ordinary men can do extrodinary things....

Always looking for Bridger #3OS and 1.65OS
Re: Which year Yamaha Bravo [Re: On a Call] #2894198
12/18/11 06:06 PM
12/18/11 06:06 PM
Joined: Feb 2009
Posts: 1
Galena Alaska USA
Y
yukontrapper Offline
trapper
yukontrapper  Offline
trapper
Y

Joined: Feb 2009
Posts: 1
Galena Alaska USA
Well done Len, I agree with Decoy also. I think 1/4 inch ice screws will make be a big help with traction. I got stuck in an icy creek with steep banks, took a few tries and a pull on the ski's and pushing it to get out. But the other sleds that came along had ice screws and they jus idle right up the banks. So i want to get that ordered up so i can put them on. As for my lines, there is 4' of snow out there and the widetrack and swt are keeping things open. Pops lines are up and running. But mine is buried. I hope to get out into january to get trying. Luck on the lines Guys.

Re: Which year Yamaha Bravo [Re: On a Call] #2894427
12/18/11 08:02 PM
12/18/11 08:02 PM
Joined: Dec 2006
Posts: 2,255
Homer, Alaska
Family Trapper Offline
trapper
Family Trapper  Offline
trapper

Joined: Dec 2006
Posts: 2,255
Homer, Alaska
I have been thinking screws of some kind. Not a lot of tunnel room on a bravo. Anyone ever put them on a bravo? Backin the shop working away since it is raining again. Will keep you updated.

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