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Old August 19th, 2021, 11:10 AM   #161
ducatiman
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MOTM - Nov '18, Mar '17
on 50cc '86 Honda Spree today....pulled/drained tank and cleaned petcock. I believe first time ever tank drained, mesh filter cleared. While there fresh fuel/Stabil 360 added. I've cleaned carb prior. Starting 1st kick without battery, i blindly left the key on....duh.

Sorry, no pics.
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Old August 19th, 2021, 01:22 PM   #162
JayVapes
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way to go!!!
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Old August 20th, 2021, 06:10 PM   #163
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MOTM - Nov '18, Mar '17
Knocked these beauties off today, total split, full refurb, careful setup, the works. My property to be sold, look for a thread in marketplace.

The black powder coated brackets done by none other than our own member @jkv45. Great work, I'd encourage anyone needing powder coating to look him up at Apex Custom Coating 608-444-2202.
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File Type: jpg 95-5.jpg (136.0 KB, 2 views)
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Old September 5th, 2021, 05:40 PM   #164
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MOTM - Nov '18, Mar '17
a before/after of EX500 carbs done today.
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Old September 8th, 2021, 10:52 AM   #165
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MOTM - Nov '18, Mar '17
the usual refurb done to these 250's today. Discovered hogged out plot jets (replaced with brand new) and clogged transition ports. All corrected, needless to say.
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File Type: jpg ruhil3.jpg (93.2 KB, 1 views)
File Type: jpg ruhil4.jpg (104.5 KB, 2 views)
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Old September 23rd, 2021, 01:23 PM   #166
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MOTM - Nov '18, Mar '17
more tew fitties completed today
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Old September 24th, 2021, 02:52 PM   #167
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MOTM - Nov '18, Mar '17
yet another set of too fitties today
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Old October 2nd, 2021, 03:36 PM   #168
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MOTM - Nov '18, Mar '17
and another completed today
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Old October 9th, 2021, 01:46 PM   #169
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MOTM - Nov '18, Mar '17
knocked these off for a member today. Received 10:30am.....completed by 4:30, including the petcock.
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Old October 30th, 2021, 01:11 PM   #170
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MOTM - Nov '18, Mar '17
ditto again today. Encountered huge, though unmarked (for size) main jets. Comparing to a stock 105, metering was visually way too large. As the owner complained of fouling plugs and bikes resisting high RPM running, I do believe this was the problem. Reverted back to all OEM stock jetting, removing needle shims as well.
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Old October 31st, 2021, 12:28 PM   #171
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MOTM - Nov '18, Mar '17
yet another done today, found 1 clogged pilot jet, drilled/removed EPA caps along with my normal service. I predict these'll run fine.
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Old November 15th, 2021, 10:54 AM   #172
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MOTM - Nov '18, Mar '17
while awaiting delivery of 2nd needle jet on @Detrailers carbset, I knocked off a full service on these pregens today. Came out nice, should be fine runners.
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File Type: jpg dav7.jpg (127.5 KB, 3 views)
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Old November 15th, 2021, 11:01 AM   #173
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Quote:
Originally Posted by ducatiman View Post
while awaiting delivery of 2nd needle jet on @Detrailers carbset, I knocked off a full service on these pregens today. Came out nice, should be fine runners.
Beautiful. 2nd jet will be going out today.
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Old November 15th, 2021, 11:07 AM   #174
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MOTM - Nov '18, Mar '17
^ superb, anxiously awaiting to finalize your carbset
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Old November 16th, 2021, 10:40 AM   #175
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MOTM - Nov '18, Mar '17
Todays victims...currently wrestling with an exceptionally bitchy 250 carbset. Why oh why must both bowl and top cover screws be overtightened to the point where a dremel is necessary to remove them? Surprise... the bowl gaskets (orings at one time) flatter than pancakes, no wonder screws were so overtightened...leak prevention.

Nice internals, eh? But "carbs are easy".....so says the internet..... meh, I'm well on my way to returning them to as new condition. Stay tuned.
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Old November 16th, 2021, 05:41 PM   #176
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MOTM - Nov '18, Mar '17
after service

additional problems found (beyond the obvious extensive varnish):
- 1 clogged pilot jet
- needles were incorrectly installed (left and right were juxtaposed, now corrected)
- needle shims removed
Attached Images
File Type: jpg no6.jpg (108.4 KB, 3 views)
File Type: jpg no8.jpg (129.8 KB, 5 views)
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Last futzed with by ducatiman; November 16th, 2021 at 08:13 PM.
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Old November 24th, 2021, 12:21 PM   #177
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MOTM - Nov '18, Mar '17
a set of fi' hunnerts finalized today.
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File Type: jpg nd5.jpg (115.4 KB, 8 views)
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Old Yesterday, 08:33 AM   #178
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There is absolutely no doubt now...Gorden is the GOD of carburetors !
i am in AWE !!!!
....
Bob.......
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