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Jethro Screech

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About Jethro Screech

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    British Columbia
  1. Jethro Screech

    Side Crossfire owner question

    I've had a pair of black Crossfire TAs for three years. Ride approximately once a week, novice MX and some trail riding. They fit my foot perfectly out of the box - no break-in whatsoever. Super comfortable with no pinching, loose-fitting areas, rubbing, etc. I wash them after every ride and they still look great. I've worn out various parts, especially the uppers. They are the part that attaches to the ankle hinge and to which the buckles and top part attach. They eventually will wear out from squeezing your bike with your ankles. They are $30 to replace (the pair - L/R). The boots still don't need resoling. What I really love about the boots is that you can get affordable replacement parts. So when things wear out or break, you can replace those parts rather than having to buy another pair of boots.
  2. Jethro Screech

    2005 YZ 250 seats: interchangeable years?

  3. I need some new foam for my 2005 YZ250 seat. What years' seats are interchangeable? It looks like they changed the seats around 2002 or 2003 and haven't changed it since?
  4. Jethro Screech

    2T "coming back" and 4T babble..blah blah

    The manufacturers have painted themselves into a corner by pushing the 4 strokes and dropping 2 strokes. Whether they were conscious of it or not, the introduction of 4 strokes originally seemed like a boon. Easier to ride = more people getting into the sport + faster rides for serious racers. Not to mention, more money for repairs and aftermarket goodies. But, with the severe downturn in the economy and the cost of maintaining a 4 stroke, it's no surprise people are moving back to 2 strokes. What I'd love to see: New cleaner 2 stroke technology like Evinrude's E-Tec boat motors in bikes. Best of both worlds - simplicity and durability of 2 stroke motors with reduced environmental impact (both the emissions and the noise relative to 4 strokes). That way, everybody is happy. Edit: And improved electrical/battery technology so there'll be another option to riding gas powered bikes.
  5. Jethro Screech

    2T "coming back" and 4T babble..blah blah

    It has to do with the wavelength of the sound wave. Higher pitch sound has a smaller wavelength which means it doesn't carry as far or pass easily through objects. Lower pitched sound has a larger wavelength, making it carry farther and allowing it to travel through objects more easily. That's why at concerts and clubs, the treble speakers are situated at the top of the stack (allowing the sound to travel over people's heads) while the bass speakers can remain low (and make the floor rumble). So, while two bikes, a 2 stroke and a 4 stroke, may produce the same decibel level at the pipe, the sound from the 4 stroke will travel much further and through things like trees.
  6. I've been watching ebay and craiglist like a hawk for the last few months and it looks like nothing is moving unless it's ridiculously low priced. And it only seems to be getting worse. New 2009s aren't selling for anything over $5500 (if at all). New 2008s aren't selling for anything over $4500 (if at all). Used 2008s aren't selling for anything over $3500. Used 2007s aren't selling for anything over $3000. And that's for used bikes with aftermarket goodies and that are in great shape. The only market that seems to be doing ok (and by ok, I mean hasn't entirely tanked) are used 2 strokes (surprise, surprise). If you got the cash, it's a great time to pick up a bike. If you're trying to sell, it must absolutely suck. Any industry people on the board feeling more optimistic than the numbers seem to show?
  7. Jethro Screech

    SIDI CrossFire TA or SRS

    Have to agree with this - my TAs will need replacing before their soles do. They've been fantastic boots, worth every penny, and I'll buy another pair when I need to. I've got 2 years on them and they're still going strong. The replaceable parts were a huge perk to me. You can buy and replace all the different parts as they wear out (rather than buying new boots). Some people have had problems with the small screws coming loose or the circlips popping off, but I've never had a problem with either. A little locktite on the screws helps, I'm sure. In the end, boot choice should come down to fit first, assuming you're looking at all the high end Italian boots (Sidi, Gaerne, A-Star). They're all great - it just depends what fits your foot the best. Someone just needs to figure out technology to cure the terrible boot stench.
  8. Jethro Screech

    Post Your Finest Grass Pics =]

    Wow. What track is that? Northern California? edit: never mind - saw the name of the photo
  9. Jethro Screech

    Bearings, is it hard?

    Replacing bearings is a huge pain in the a$$. There is nothing worse in terms of maintenance. Service them often so you don't have to replace them. If you do have to press the old bearings out and new ones in, use a heat gun and dry ice. It makes the job much easier, thus reducing the amount of beer that needs to be consumed.
  10. Seems like the trend recently has been to swtich from 4T to 2T but I'm thinking of doing the reverse. And I'd love some advice, please. Novice 30+ 175 without gear Almost entirely MX I've had an 05 YZ250 for the last 2 years. It was my first bike. It scared the living $*%# of me when I got it but after about 6 months I got comfortable on it. Now I love it and don't mind hanging it out. But, I'm prone to hurting myself, especially when I get tired. This year has been particularly bad. All the crashes have been when I was tired and knew it - I just wasn't wise enough to pull off. Now, I'd like to think I've learned my lesson and once I get tired, I take a rest. I rode a 07 Yamaha 250f for a couple for track days and loved it - it was so much easier to ride than the YZ. Instead of managing the power, I was focused on the obstacels. But, I was nervous hitting big stuff straight out of corners. The decreased power was very noticeable - it felt underpowered compared to my YZ. I also tried a couple of friends' 450s and they felt great - the ease of riding a 4T with enough power to get over everything on the track easily. But I didn't ride them long enough to feel tired out by them (which I understand is the major downfall of the 450fs). So, should I stick with the YZ? Would I be less prone to getting hurt on a 4T? If I do get a 4T, 250f or 450f? Would I get bored with the 250f, especially after coming off a 250 2T? Would a 450f wear me out? The newer model 450fs seem to be a good compromise - controllable power. I don't have any misguided dreams of ever becoming a local pro (or even being particularly fast) - just want to have fun.
  11. Are you running race gas or pump gas? What you report is a common problem when running pump gas - these bikes are designed to run on race gas (higher octane), and the difference becomes more significant when the bike is under heavy load. When you say 5th step on the needle, do mean from the top or the bottom? Clip to the top = leaner, clip to the bottom = richer. If you're at the top, then you're way lean. I was having exactly the same problem with my YZ250 running pump gas. In sand (or anything with high load), it was pinging and the idle was hanging on deceleration. I ended up going one step richer on the pilot (which cleared up the hanging idle), one clip step down on the needle and one step richer for the main. It cleared up the problems and seemed to produce more power. I then got the JD jetting kit and replaced the needle with the JD one. I don't know if it made any difference but I have no pinging problems anymore, although the bike does get really hot when riding it hard in sand and acts lean at times. I tried going another step richer on the needle and main, and the bike ran like absolute crap. So when you make changes, start with single small changes until you get it right (if you haven't already been doing this). Alternatively, you could run a mix of race gas or add some octane booster. It seems to help a bit.
  12. Jethro Screech

    250 years for interchanging brake pedal and shift lever?

    Thanks, eh. I've heard the after market ones are generally junk so I picked up used OEM parts off of Ebay.
  13. I'm in the market for a new brake pedal and shift lever for my 05 yz250. What years are interchangeable? Will parts of the 250fs and 450fs also fit? There are some for sale on Ebay and I don't want to end up with one(s) that won't fit.
  14. Jethro Screech

    05 yz250 set up???

    There's been plenty of discussion on this forum about the dreaded pinging...search for threads using the terms 'pinging', 'knocking', 'squish', etc. The bikes were designed to run on race fuel so running pump fuel causes them to detonate, especially under heavy load. I had brutal pinging problems with my '05 running on pump gas in sand at sea level. I swapped out the needle and richened up the pilot and main, and the pinging almost entirely went away. And the bike ran great. I then put in the JD jetting kit needle and it ran marginally better but the pinging also came back somewhat, in very specific conditions. Octane booster also seemed to help. But, richening up the jetting is really just a band aid solution. Although it worked well for me, and the bike runs great with occasional pinging in deep, dry sand, the optimal solution is running a mix of race/pump gas. Another option is getting the head milled to reduce the squish band.
  15. Jethro Screech

    RIV required for raceing dirtbike? HELP

    As an update for those importing used motocross and trail only bikes: I've brought three bikes through customs in the last year and a half. All three were offroad only closed course competition bikes. I brought the last one through his past weekend (July, 2008). I only paid GST on all three and never bothered with getting exportation clearance from the American side. The details: Motorcycles are exempt from duty according to international trade agreements. They are listed in this document, from CBSA: http://www.cbsa-asfc.gc.ca/trade-commerce/tariff-tarif/2008/t2008-03/ch87-eng.pdf Section 87.11 Closed course competition vehicles are exempt from the RIV inspection. There is no documentation that clearly states this; however, customs agents should know. If the agent you are dealing with doesn't, ask to speak to someone else. You may have to show them the sticker on your bike or the note in the manual that clearly states the bike is for closed course competition only. Do not fill out Form 1 - it's not necessary for RIV exempt vehicles. You will have to pay GST on the price you paid for the bike when you go through customs. You may also have to pay provincial sales tax. In BC, you're expected to pay PST when you register the vehicle. But if you're never going to register it, it's a moot point. But be prepared to pay PST at the border just in case you get a particularly anal retentive agent. You're technically supposed to get the bike cleared by the American side before you bring it in to Canada. This takes 72 hours, weekdays regular business hours only. They will need the title and receipt, I believe. However, many people haven't bothered. I've only been asked once and when I told the agent I hadn't cleared the bike with American customs, he told me I should have and then let me through anyway. I don't think Canadian agents technically can enforce the American exportation but they may insist anyhow. To make the process as easy as possible, make sure you have all the paperwork. That includes the title, or an affidavit in lieu, a receipt of sale (even if it's hand written) and preferably a copy of the ad (for example, from Craigslist). Do your homework and you'll be better prepared. The CBSA website has all the information you need: http://www.cbsa-asfc.gc.ca/menu-eng.html