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Discussion in 'Thumpers' started by klxrdr, May 13, 2007.
Thanks Trailrider200! We'll give that a try to begin. It's good to have a reference point! ;-)
Im leaner then 3.5 in kamloops. Make a 90 degree screwdriver out of thick wire and ride/tune it. Im about 2.75 or so but i went fatter on the main, 132.5, pilot 37.5.
Another data point--awesome! I like your idea for making a 'screwdriver'; we'll have to rig something up. ;-)
my Moose Racing carb rebuild kit showed up in the mail today. any tips tricks and sage advice? bought it because 'low speed jet' appears to be gummed up after sitting too long. runs on choke, sometimes makes it up in rpm and runs there too but stalls where the midrange half throttle should be.
No useful advice here. Sorry
"seat mating surface with some polish and a q tip in a drill."
one of the worst things one can do, should never be done, unless one is a carb shop with specific tools and expertise.
Or do yourself a real favour and invest in some JIS screwdrivers--if you own a Japanese bike / car, you won't regret it (see https://revlimiter.net/blog/2014/09/the-japanese-phillips-jis-screwdrivers/)!
Another data point for the pilot screw setting:
I have a PDF manual for the DR200SET ('96 model), with supplements for '97-'03, '04-05, '06, '07-08, and '09 models. Buried in the carb specs in two of the supplements ('04-05 and '06), it says "Pilot screw -- 1 1/2 turns out." Every other carb spec chart has "PRE-SET"... The carb for those years is the same MIKUNI BST31SS, but the ID no. in the charts is 42AA, rather than 42AC for all the rest. Anyone know what the difference is? What the charts indicate is:
Main jet: #125 (42AC) vs. #122.5 (42AA)
Pilot jet: #35 (42AC) vs. #40 (42AA)
Anyway, interesting that the 42AA carb is different, and actually has pilot screw turn-out specs listed.
just about all screwdrivers are designed to work for both screw types today. these harbor freights work extremely well. https://www.harborfreight.com/2-x-4-inch-phillips-screwdriver-94707.html
"Most JIS advertised screwdrivers sold today by companies like Vessel, Hozan, and others are actually conforming to a new standard: DIN 5260 which is identical (at the tip) to the newer ISO 8764-1."
"The reason these companies have changed to DIN 5260/ISO 8764-1 is because the new standard is designed to work in both Phillips and JIS screws. For the most part that is true, it does work on both screw types, but like anything meant to work with multiple things, the middle ground means compromise. The JIS standard screwdriver will always outperform a DIN/ISO screw driver in the worst of conditions on a JIS screw, and the same is true in reverse."
"To date, I have only been able to find one confirmed manufacturer that still uses and builds to JIS B 4633, and that is SUNFLAG otherwise known as New Turtle in Japan:"
I have same manual. some of those supplement pages are actually for DR200s for other countries. one is actually for the Trojan DR, which helped me find the correct oil amount after I added a Trojan oil cooler.
Didn't know about ISO 8764-1... I use this set of Vessel bits: https://www.vesseltools.com/industrial-bits/bit-sets/a-16621-detail. All I know is that with them I can get out screws with heads that "normal" Phillips bits have mangled... They slot in with amazing precision! And the beauty of a 1/4" bit is that you can use it with a ratchet handle to get more torque for screws 'frozen' into aluminum. I've got a collection of regular Phillips screwdrivers, but they don't come close to the Vessel bits for fit. My boys have already learned to leave them aside when working on their bikes. ;-)
Yep! I'm always looking for info for E-28 -- Canada (country codes are listed on page 1-9). Curiously, the supplements include info for an E-06 model; is that the Trojan? Because E-06 isn't listed in the codes on p. 1-9, but it's grouped with the E-24 -- Australia...
don't disagree, the point is they are all using the new std including vessel, so they are still getting top dollar for the same screw driver one can get at the local store.
DR200SEK6 is the Trojan pg 11-17, and under E-06, oil capacity is 1.1 qts. It was the only section that shows a larger capacity.
I guess the mangled heads I come across are from previous owners with pre-ISO 8764-1 Phillips screwdrivers (like those in my toolbox...). Bottom line: do your bike a favour and replace your tired, old Phillips screwdriver!
I came across this and figured there must be a DR200 thread.
That's one of those "it's not the bike, it's the rider moments."
I felt so bad for him in those whoops. Brought back memories of having to use a string off my backpack to tie down the seat after the bolts backed out. Good fun.
Has anyone made or found a flap to mount below the airbox, to protect the shock from dirt? It is completely exposed and could use something there..
I used a piece of stair tread and attached it to the fender attachment bolt. I wrapped it half way around shock and put the one end down btwn the shock and swing arm. 5k miles later and still there. https://www.homedepot.com/p/M-D-Bui...4-in-Black-Vinyl-Stair-Treads-75556/207096069