77 cyclone question

cyclone77 · Post by **cyclone77** » Wed Feb 18, 2009 2:06 am

Today i went to start my cyclone and it fired right up an i heard a quiet squel than it stoped when it was warmed up and idleing then it happens when I hit the throttel it sounds like it is coming from the right side when on seat.
any ideas of whats going on or if i shold do any thing about it would be great

Evan

b00stinGTP · Post by **b00stinGTP** » Wed Feb 18, 2009 2:16 am

I am not sure.. fan belt? Something in the chain case?

JDFanPa · Post by **JDFanPa** » Wed Feb 18, 2009 2:48 am

you should pull the recoil and the little cover above it and chrck the fan belt. I melted a piston on my x8 last season do to a bad belt.

S_Kyle · Post by **S_Kyle** » Wed Feb 18, 2009 3:24 am

I just nuked my 440 whirlwind because of it. I herd the noise and disregarded it. Long story I short melted my PTO side piston, not fun at 1:30 am. I would recommend checking things out before something happens.

Scott

JDT · Post by **JDT** » Wed Feb 18, 2009 6:55 am

Could be the fan bearings also. Pull the belt and spin the fan with you finger. If it is rough or noisy replace both bearings and put a new belt on.

cyclone77 · Post by **cyclone77** » Wed Feb 18, 2009 9:35 pm

Thank's for the ideas i went and statred it up today and i did not here the squek but i did take off the recoil starter and the fan cover and looked at the belt and the fan they look good. it gave me a opertunity to clean out some dirt and i learned about the belt i always wonderd how that fan worked now i know i will keep an eye on it. Thank's

Evan

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big danno 1970 · Post by **big danno 1970** » Wed Feb 18, 2009 11:33 pm

Im judging by the look of the leaking carb boot to the engine and the rusty exhuast that this engine has not run for quit a while,pull that sucker and go through it and replace crank seals and that carb boot at the very least.Do this now before you melt a piston or worse!

cyclone77 · Post by **cyclone77** » Thu Feb 19, 2009 2:12 am

Thanks for the tip about the carb boot i will check on that tomarow This spring i will restore it and look every thing over. I just got it in December From a Neighbor for $100 it was outside under a cemi trailer for 5 years. i got it to run for the winter and have put a few miles on it and a little money into it. Here are some pictures. I will defenetly look it over and replace a few things be for i ride it much more this winter.
Evan

here are some more pictures of the progress.

http://s187.photobucket.com/albums/x117/evangun/?action=view&current=HPIM0980.jpg

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big danno 1970 · Post by **big danno 1970** » Thu Feb 19, 2009 2:37 am

get those crank seals done asap!!!I bet when you take the old ones out there will be pieces missing from at least one of them.Last winter I got a 340trailfire for free it had not run for many years I got it to run and took it around the yard once and it seemed to run great.I then replaced the seals as I always do and almost half the seal was gone!! and it still ran!!!If I had taken the sled for a run accross the field it would have burnt a piston for sure.
Like I said replace them asap,they are a VERY important part of a 2 cycle engine.

427cobra · Post by **427cobra** » Thu Feb 19, 2009 12:59 pm

Also look into rotating your pull start counter clockwise one position. Looks to me its installed incorrectly.

cyclone77 · Post by **cyclone77** » Thu Feb 19, 2009 3:46 pm

You are right about the recoil starter i thought some thing was odd with it i will move it.
about the oil seals i am new with the john deers can anyone recemend a good place to
order some and how hard are they to replace any tips will help. I have worked on simular prodjects i rebilt a yamaha exell 340 and replaced seals when engine was apart and replaced seals on a mx 80 yamaha dirt bike. Here are some videos of the john deere and my other podjects.

http://www.youtube.com/crazzygunner

Evan

big danno 1970 · Post by **big danno 1970** » Thu Feb 19, 2009 9:36 pm

If you have done seals in a yamaha then you can do this engine,just get a service manual andfollow the directions.Winderosa should have your gasket set.