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Thread: TW with 50k miles pictures of head removed advice please

  1. #11
    Senior Member stagewex's Avatar
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    50K on a little bike like this... you are to be commended. And also for giving it the love to continue rather than parting out.

  2. #12
    Senior Member AGman's Avatar
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    Quote Originally Posted by msmiller View Post
    Its the intake chain guide ( right side) that worn. So I have to remove the rotor assembly. If I'm doing that might as well replace the chain and sprockets. Was looking in line to price the parts and it looks like the bottom timing chain sprocket is not a separate part? Parts diagram shows it's part of the crankshaft. The bike was running fine not as much power but it goes. Looks like it will be park for a month or two :0(
    Both the sprockets will be OK, just replace the chain and guides.
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  3. #13
    Senior Member msmiller's Avatar
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    Thanks for the input and great blog link. Yes I had been finding what looked like metal in my filter but mistaked it for clutch disks debris. After looking at the picture zoomed in . The metal from the intake cam chain guide is where the debris was coming from. Some thing to keep in my mind before the next 50k miles :0)

    Quote Originally Posted by AGman View Post
    At 50000km, you are going to have to give this engine some love. if you don't, you wont get much more out of it. Check my latest post on my blog for what I do for a basic top-end freshen up, with the (in your case) addition of cam chain guides (both), and I would be removing the piston and taking it, with the cylinder to a shop to get measured. Get that same shop to clean the head up for you, carbon removal, check cam, rockers, rocker adjusters, valve grind.

    Did you notice any plastic in your oil filter or strainer? That's where the remains of the guides usually end up.

    At a guess, I'd say your cylinder/piston will be in spec. and you will just need rings, really depends on your oil change intervals and how hard it's been used.
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  5. #14
    Senior Member msmiller's Avatar
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    Thanks that is some good news! How many times has that chain gone around? Amazing to me. Something to be said for oil changes. Sounds like you would have less work if the owners of those AG200s would changed their oil. Or more oil change work.

    Quote Originally Posted by AGman View Post
    Both the sprockets will be OK, just replace the chain and guides.
    JerseyJeeper, littletommy and Ken like this.

  6. #15
    Senior Member AGman's Avatar
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    Over here, the service interval for farmers is when their bike stops running.
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  7. #16
    Senior Member kj7687's Avatar
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    I have to ask, is this 50k MILES, or 50k KILOMETERS?
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    KJ, just KJ, ok.


    Current rides:
    2015 Yamaha XT 250, 1997 Suzuki DR 200; 1999 Toyota 4Runner

    Past rides: 2007 Honda Ruckus, 2007 Yamaha TW 200, 2007 Kawasaki Ninja 500, 2009 Kawasaki KLX 331S; 1994 GMC Sierra 1500, 1987 Nissan Pathfinder, 1992 Acura Integra, 1986 Honda CRX, 1989 Jeep Cherokee, 1994 Chevrolet Astro Van, 1979 Volkswagen Rabbit, 1984 Jeep Cherokee

  8. #17
    Senior Member msmiller's Avatar
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    50,000 miles nothing done to the engine but oil changes and adjusted the valves a couple of time. It has been my only transportation since August 2011. The odometer reads 48,300 but it was broken for six months or so I am certain it has over 50,000 miles on it. It has been the most economical and reliable transportation I have ever owned. Will be going through the engine latter this month. Per suggestions from the great people on this forum I found a local motorcycle shop for $70 I can use a bench in the shop for a month. Looking forward to learning.

    Quote Originally Posted by kj7687 View Post
    I have to ask, is this 50k MILES, or 50k KILOMETERS?

  9. #18
    Senior Member kj7687's Avatar
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    Nice! Are you running stock gearing? And what is your typical cruising speed during your average commute? Also, how many of those 50k miles would you estimate are off road (and what does your typical off road riding consist of)?
    Ken likes this.
    KJ, just KJ, ok.


    Current rides:
    2015 Yamaha XT 250, 1997 Suzuki DR 200; 1999 Toyota 4Runner

    Past rides: 2007 Honda Ruckus, 2007 Yamaha TW 200, 2007 Kawasaki Ninja 500, 2009 Kawasaki KLX 331S; 1994 GMC Sierra 1500, 1987 Nissan Pathfinder, 1992 Acura Integra, 1986 Honda CRX, 1989 Jeep Cherokee, 1994 Chevrolet Astro Van, 1979 Volkswagen Rabbit, 1984 Jeep Cherokee

  10. #19
    Senior Member msmiller's Avatar
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    Its not uncommen for for me to tuck down and run at 70mph for 5-10 miles. Most of my off road is sandy single track of keep trails. Not at lot of places to ride around Orlando most land has been purposed to strip malls. Been up to Ocala notional forest lots of sugar sand and out west of here to the green swamp. I needed transportation and wanted something to get out into nature. It's been very good to me even with the highway abuse. I am guessing I still don't know the full capability of a TW200 until I get to ride it off road in the mountains on some single track trails. Right now it's only three miles to work but it's 45-50 mph just to keep up with traffic. I go out to the lake apopka wildlife drive when I can that is 15 miles one way and I am forced to ride High way 441 on the way back. Speed limit is 55 but everyone is doing 70 easy. The bike will do that but it's got nothing left throttle wise.

    Quote Originally Posted by kj7687 View Post
    Nice! Are you running stock gearing? And what is your typical cruising speed during your average commute? Also, how many of those 50k miles would you estimate are off road (and what does your typical off road riding consist of)?

  11. #20
    Senior Member grewen's Avatar
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    and what are your oil change intervals? what oil do you use to get 50,000 miles on this wee motor?
    Ken likes this.
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