ovation carb removal

lundi 31 octobre 2016

I have removed and serviced plenty of mikuni carbs over the years so am embarrassed to ask how to remove the carbs from my 2000 Yamaha ovation 340. I can't find a service manual or video online. There are 2 clamps on the air side and 1 on the fire side, but this doesn't seem to free up much. Any pointers?


ovation carb removal

Hello from N.S

I am active on a couple forums and have one for all my hobbies so figured it was time to find a place to talk sleds, been hanging around here for a while and finally decided to make an account. Only just got my first sled last year right before the winter which was a bit of a bust :thumbsdown: Always have had a love for vintage sleds over the new stuff and of course my first purchase had to be something old. Picked up a beat up old Citation 250 and got it going and hoping to pick up something new to work at this fall, looking for and old aluminum 340 body of some sort to throw a 500 in and build something unique.


Hello from N.S

72 Johnson won't start ..spark and compression

1972 johnson skee-horse won't start

I just got this 72 Johnson I have kinda fallen in love with while doing a slight restore on it ...got everything together and it won't start ...strong blue spark, compression for day's bUT all I get Is a back fire now and then ..even fire spray won't help ..I figured maybe the timing ..but everything is where it needs to be ..any help would be great


72 Johnson won't start ..spark and compression

Greetings from NH

Hi there new member from Northern NH. I have a 89 Indy trail I bought last year and I just picked up a project 87 Indy 400 for my wife ( good mechanically needs cosmetic love). Hoping we have a better winter here than last year trails never even opened ! I'm sure I will have questions as I work on the 400 trying to get it ready for her for Christmas.


Greetings from NH

Greetings from NH

Im not sure why this posted twice sorry !


Greetings from NH

95 Indy Rxl 650 EFI Triple issues Please Help

Hello everyone I am hoping someone can help with this sled. Unfortunately this may be a bit of a long story but any of it may be useful.

The last time this sled ran was about 2 years ago the son and I were playing around on the lake and it died from and idle after he stopped. Towed it back to the house and let it sit. The next day I went out and it started ran for about 30 seconds and died. Took it home and parked it for the summer.

I went back out in the fall and the Rope would not move. I assumed the motor was seized. I put some oil down the cylinders and later some Pb blaster. This summer I pulled it into the garage and my son messed with it and got the pull rope to move but it still pulled hard and didn't turn over very fast. I finally got around to it and pulled off the heads and checked out the cylinders. There was nothing in there that led me to believe the motor was locked up at any point. I put the recoil back on and it turned over (without heads) perfectly with no issue. Wiped the cylinders with oil and covered it up. roughly a month later I replaced the head gaskets and torqued everything to specs and in sequence. It was now back to normal. Possible recoil issue? Replaced the plugs drained and cleaned the fuel tank and inspected lines. The in tank pick up line at some point was replaced with a rubber fuel line that had rotted out and was basically little pieces of rubber by this point. Possibly the reason it died on the lake. With all of this fixed. I replaced the battery with new one from polaris and tested out at 12.8V. Still would not start. Fuel pump was not cycling. Tested bad and replaced.

Still no start it will fire on first 4 or 5 pulls and thats about it. Randomly after that. At times I will put fuel down cylinders and sometimes it will fire and sometimes it will not.
Wont even run for 2 seconds. It seems to be acting as thou the EFI doesn't have enough power even thou the battery checks out and connections seem to be good. The spark plugs have nice blue spark.

I did pull the fuel rail out w/injectors held them in place and the seemed to be spraying fine when pulled. Fuel is returning to tank when rail is pressurized toward the end of the fuel pumps cycle.

I pulled the drain plugs on the crank case for each cylinder and at first some nasty reddish brown fluid came out of all 3. Didn't smell like fuel. Maybe the Pb blaster and oil.
I seem to have gotten it all out now. I have pulled the Crankcase drain plugs since after about 30-50 pulls and the middle and left cylinders have fuel that drains out doesn't seem like much maybe a half a bottle cap full from each and the right cylinder is close to dry.

Checked out all ports I could while heads were off and all were clear.
Also the exhaust had a bunch of leaves and crap in it that was cleaned out.
I will be doing a compression test on Tuesday this week. Sled has no upgrades.

Thank you for taking the time to read this! :)


95 Indy Rxl 650 EFI Triple issues Please Help

XLT crankcase filling with gas

dimanche 30 octobre 2016

I have a 1997 Polaris XLT Limited and the case fills with gas overnight. I have replaced needle and seats and o ring. I also replaced fuel pump diaphragm and gaskets thinking it was coming from pulse line. When I first picked up the sled it had been sitting outside for two years and had water in the tank (that I didn't know about at the time) which caused a bog that I couldn't fix so I had to bring it to a shop where the tank was drained and carbs got tuned up. Since there was water in the tank I assumed the fuel pump diaphragm cracked from water in the gas freezing and expanding. It does look like the gas is coming from carbs into the cylinders but I just can't understand why since the needles and seats were replaced. The N and S cut off the fuel when I pour it in on the bench but once there in the sled they leak. Sled is level.

Does anyone have an answer for this?
Thanks, Erik


XLT crankcase filling with gas
 

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