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TLrider

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About TLrider

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    TT Newbie

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  • Location
    Maryland
  1. TLrider

    TL125 Fork Springs?

    Keep in mind using spacers to stiffen your fork springs also reduces your fork travel. Try BPS engineering in France. They have posted on the TL125 website they have fork springs available. http://www.bps-eng.com/
  2. TLrider

    Miller Exhaust on TL125 Big Bore?

    I believe the Sammy Miller exhaust was built for the TL125 'S' model available in the UK. THe S has a slightly different frame than the 'K' models most commonly seen here in the U.S. FYI the fiberglass side panels from Miller do not fit properly for the same reason. I run a stock exhaust on my TL witha 170cc big bore and have no performance issues...and I like the quiet of the stock exhaust.
  3. TLrider

    TY250 Forks on TL125

    I have recently ridden a TL with a TLR front end on it, quite a bit heavier than stock. I have a '74 XL125 triple tree which has about half the offset of the TL. I have yet to install this. Below is a quote from the TL125 Home page where the author has installed a TY250 front end. All three of these options require modifying the gas tank to make clearance for the forks at lock. Since they are about 1-1/2" rearward from stock they hit the tank. The option I chose was to modify the frame where a triangular piece is cut out of the frame behind and below the steering stem, the frame is heated and bent rearward to close the gap thus reducing the steering stem angle. My wheelbase was reduced approximately 2-1/2 to 3 inches. The bike now steers like a TY175 and I use all stock components. The only drawback I have experienced so far is a situation where dropping into a shallow narrow gully the forks wanted to fold under rather than compress. This was because the front wheel was touching the uphill side before I had completed the downhill side. Other than that I am happy with the mod. The following quote is from the TL125 Home Page. "Jarmo Kaila: As mentioned earlier TL has a tendency to "fall into a turn", i.e. in tighter turns the bike wants to increase the steering angle and one has to hold back against the bars. During turning the bike is also very sensitive to obstacles, and has quite a bit of "bump steer". These handling characteristics are probably a combination of "tall" triple clamp (ie. one where fork tube plane is offset substantially from the steering stem), high rake angle and relatively high center of gravity and foot peg location. I been experimenting with various modifications to alleviate this problem while still keeping the bike in AHRMA "modern classics" class. Easiest improvement is raising the fork tubes up in the triple clamps. Raising the tubes (ie. tubes sticking up from the top triple clamp) just 10mm to 20mm (1/2" to 3/4") makes a difference and doesn't reduce ground clearance to any noticeable effect. The next step is changing the rear shocks for longer units. Original Honda units are 14 1/2" long (370mm), I have swapped them for 15 1/4" (390mm) Works Shocks units from B&J Racing. These modifications together changed the measured rake from 28.5 degrees to about 25 degrees (note: these were measured so they may not be absolutely correct, however the decrease in rake is about 3 to 3.5 degrees). To address the triple clamp offset issue I actually changed the whole front end for a unit from mid 70s Yamaha TY250. TY forks are slightly shorter than TL, so they had the same effect as raising TL forks in the clamps. Of course I'd like to hear from anyone who might have tinkered with the TL frame geometry etc."
  4. TLrider

    helmets

    I ride the Mid Atlantic Vintage Trials series and this year some of the hosting clubs have required the use of FIM approved helmets, which I believe all of the 'Trials' helmets are. Bicycle helmets are no longer allowed due to AMA insurance rules. You may want to keep this in mind when buying a helmet. I have three, a solid NZI for cold weather, A TriVent for warm/hot weather and I do wear a bicycle helmet on really hot practice days.
  5. TLrider

    Honda tlr200 reflex "Mystery Hole??"

    That sounds like the hole for the neutral switch similar to my TL125. It is a plastic plug with an o-ring, possibly a spacer between it and the sprocket cover and a connector for the neutral indicator wire. Probably still available from Honda as many parts cross between similar sized engines.
  6. TLrider

    What is your trials bike of choice?

    I ride a heavily modified '74 TL125. De raked frame and 170cc big bore. I ride the MAVT series just out for fun and the nostalgia trip, had a TL 20 years ago. Will probably buy a modern bike after rebuilding and selling my other TL. Would love a new Scorpa 4 stroke but can't justify the cost.
  7. TLrider

    Boots----how tight?

    I needed a 1/2 size in the Gaerne boots which aren't available. I got a pair of Dr.Scholl's 3/4 hard inserts ( the firm ones with arch support) which made up the difference nicely. As 2whlrcr said "If you haven't worn the new boots outside, you could order the next size smaller , try them both on and return the pair you don't want. A lot of times when I think I might go either way on a size, I order two different sizes and send one pair back." I did this myself.
  8. TLrider

    Making the Reflex turn

    Believe Clint. I bought a de-raked Tl125 frame from him in the spring I think. It makes a tremendous difference in the turning. More like a TY175. It shortened my wheelbase by about 3". Several of my friends have remarked at the difference. Add a big bore to it and you have a nice vintage trials bike. But then again, Is it still vintage? It makes the TL what it should have been from the beginning. Scott
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