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What carb is this?
Dutch_Rutter · March 15, 2015, 10:56:30 pm
Its a Mikuni, but a much larger size then any stock 250r carb that I have seen. A buddy pulled it off of his bike and replaced i...
16 Replies · 1716 Views
Started by Dutch_Rutter
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16 Replies
1716 Views
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June 13, 2015, 09:06:55 pm
by 92lt250wannabe
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Mechanical seal help...
91250rider · June 10, 2015, 05:01:46 pm
i need to replace the mechanical seal for water pump, 91 lt 250. i was wondering what sealant is a good choice for the process, ...
4 Replies · 630 Views
Started by 91250rider
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4 Replies
630 Views
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June 13, 2015, 06:52:43 am
by 91250rider
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Klemm Research pipe jetting?
Chadzilla03 · June 02, 2015, 01:43:24 pm
Anyone have, or remember, these? Picked one up for 85-86. Would like to know a good place to start jetting. Have a stock TM 3...
1 Replies · 470 Views
Started by Chadzilla03
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1 Replies
470 Views
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June 03, 2015, 12:29:15 am
by Chadzilla03
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Help with Pilot Jet and Idling LT250R
tcgravy · May 13, 2015, 08:25:10 pm
1989 LT250RWill not idle, does not run well at all in pilot circuit. Starts relatively easy. Runs OK once you get into the needl...
10 Replies · 2382 Views
Started by tcgravy
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10 Replies
2382 Views
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May 29, 2015, 11:27:49 am
by tcgravy
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motor problems
Cavsfan · May 23, 2015, 03:09:22 pm
top end rebuilt. ran for 1/2 hour and quit. gets fire and fuel but wont run. think its compression but not sure. looking for sug...
8 Replies · 1047 Views
Started by Cavsfan
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8 Replies
1047 Views
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May 26, 2015, 12:41:40 pm
by AZ-ZILLA
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Eating Counterbalancer Keys
Fateofnorns · March 10, 2015, 10:35:00 am
Hey all, I was wondering if anyone had some insight to a problem I discovered over the weekend.After a hard day of riding, I not...
10 Replies · 1086 Views
Started by Fateofnorns
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10 Replies
1086 Views
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May 24, 2015, 06:13:44 pm
by LTman
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Lectron carb size?
Chadzilla03 · May 23, 2015, 01:25:30 am
Anyone know, off hand, what largest size Lectron will fit the stock intake boot? Want to upgrade before swapping pipes. I found ...
6 Replies · 1277 Views
Started by Chadzilla03
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6 Replies
1277 Views
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May 23, 2015, 10:54:16 pm
by El Diablo
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water pump weep hole.
Izzo · May 03, 2015, 10:47:06 pm
So wheh I bought the bike I noticed it was leaking water. Looks like it was coming from a clutch case bolt. I pulled the clutch ...
2 Replies · 849 Views
Started by Izzo
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2 Replies
849 Views
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May 08, 2015, 09:29:21 pm
by MotorGeek - Jerry Hall
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7 Replies
638 Views
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May 07, 2015, 08:00:41 pm
by Aint No Nancy
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Question about the base gasket.
Dutch_Rutter · April 07, 2015, 08:55:31 pm
I remember reading somewhere on here that I should put sealer (threebond) on my base gasket as well on the Reed gasket, and a li...
17 Replies · 1686 Views
Started by Dutch_Rutter
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17 Replies
1686 Views
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May 05, 2015, 10:38:53 am
by Dutch_Rutter
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Was my head ported?
Dutch_Rutter · May 04, 2015, 07:35:22 pm
When working on my bike today i noticed a stamp on the side. Very small it reads RMR in a diagonal pattern. Anyone have any idea...
2 Replies · 585 Views
Started by Dutch_Rutter
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2 Replies
585 Views
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May 05, 2015, 10:13:09 am
by Dutch_Rutter
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Powervalve adjustment
92lt250wannabe · April 23, 2015, 09:04:42 pm
Can someone give me some input on the powervalve adjustment that has actually done the adjusting and ridden or dynoed to see res...
1 Replies · 948 Views
Started by 92lt250wannabe
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1 Replies
948 Views
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April 24, 2015, 11:37:10 am
by Q2W
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87 cyl VS 88+ pros and cons. .p
Maxxh2o · April 19, 2015, 08:05:23 pm
Know what the deal is on the big reed cyl on 500's but was wondering on the 250's. Is it the same? Big reed better top end smal...
10 Replies · 1152 Views
Started by Maxxh2o
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10 Replies
1152 Views
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April 23, 2015, 06:27:46 pm
by 92lt250wannabe
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top end rebuild
Weasel77 · March 29, 2015, 05:11:04 pm
Hello, new to this board. I have a 88 lt250r. I recently cold seized it. I took it apart and took it into local shop. They honed...
19 Replies · 1699 Views
Started by Weasel77
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19 Replies
1699 Views
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April 05, 2015, 09:59:35 am
by Quadster
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3 Replies
504 Views
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April 04, 2015, 06:49:05 am
by RustBelt
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86 top end rebuild
Rslt250r · April 02, 2015, 07:04:06 pm
Can someone tell me why it's necessary to hone the cylinder when you put new piston and rings?
3 Replies · 617 Views
Started by Rslt250r
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3 Replies
617 Views
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April 04, 2015, 12:24:54 am
by Rslt250r
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Got a lil trans problem.
Dutch_Rutter · March 29, 2015, 11:25:23 am
I'm rebuilding my 90 250 motor. I got the bottom end all put back together. I feel as though I got everything right as I had the...
12 Replies · 1107 Views
Started by Dutch_Rutter
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12 Replies
1107 Views
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April 01, 2015, 09:11:07 pm
by Dutch_Rutter
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1986 250r Base gasket leak
Jperezav2009 · February 12, 2015, 12:28:09 am
Ok guys after adjusting clutch I now have this issue. The bike is hard to start and I tried for 2 days straight trying to kick s...
10 Replies · 1207 Views
Started by Jperezav2009
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10 Replies
1207 Views
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April 01, 2015, 06:17:46 pm
by Jperezav2009
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87 -88 head compatiablity
Quadster · March 29, 2015, 08:14:49 pm
Hey all. Havent been on forever. Can I run a 87 head on an 88? Ive noticed the shapes are different. Anyone done it? The lower...
4 Replies · 633 Views
Started by Quadster
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4 Replies
633 Views
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March 30, 2015, 08:53:11 pm
by Quadster
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Running lean
Gage garman · March 24, 2015, 02:11:30 pm
Ever since I switched to 32:1 my lt is running lean. Should I switch back to 40:1
11 Replies · 1039 Views
Started by Gage garman
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11 Replies
1039 Views
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March 30, 2015, 03:55:00 pm
by GrkGuy
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32:1,36:1 or 40:1
Gage garman · March 01, 2015, 07:00:45 pm
What's better to run with stock jetting 32:1,36:1 or 40:1
9 Replies · 1070 Views
Started by Gage garman
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9 Replies
1070 Views
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March 28, 2015, 05:52:21 pm
by MotorGeek - Jerry Hall
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what is this screw
Michaelaphelan · March 12, 2015, 04:48:52 pm
what is the screw ahead and below of the stator cover philips tip
4 Replies · 715 Views
Started by Michaelaphelan
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4 Replies
715 Views
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March 13, 2015, 04:20:56 pm
by Michaelaphelan
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circlips and washers for transmission
Dutch_Rutter · March 13, 2015, 10:10:36 am
Hey everyone,I am in the process of finally rebuilding my bottom end. I got everything to together and sealed then I noticed tha...
2 Replies · 433 Views
Started by Dutch_Rutter
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2 Replies
433 Views
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March 13, 2015, 12:30:30 pm
by Dutch_Rutter
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Compression
Gage garman · March 03, 2015, 11:44:58 am
I have 120psi of compression how low can It go before a rebuild. Thank you
16 Replies · 1936 Views
Started by Gage garman
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16 Replies
1936 Views
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March 11, 2015, 06:35:13 am
by Cale.Jones
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Piston breaking
Gage garman · February 24, 2015, 04:54:54 pm
What are the chances of my piston breaking when the top end blows up. It has the stock piston in it
5 Replies · 656 Views
Started by Gage garman
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5 Replies
656 Views
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March 09, 2015, 04:39:48 pm
by Zemmy1985
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91 lt250r horrible bog
Joelenway · March 08, 2015, 03:45:38 pm
Ported polished ftz pipe keihen carb. Starts and idles great. Cleaned the carbs cleaned and reoiled the K&n filter still will no...
7 Replies · 714 Views
Started by Joelenway
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7 Replies
714 Views
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March 09, 2015, 10:18:25 am
by Joelenway
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Sounds like a Jake-brake
Zemmy1985 · March 08, 2015, 04:40:18 pm
Hey guys, weather is finally getting decent in MO here. So, after two weeks of bitter cold, I got on my 88 lt250r, gassed it a c...
1 Replies · 474 Views
Started by Zemmy1985
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1 Replies
474 Views
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March 09, 2015, 12:47:50 am
by Zemmy1985
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92 250R Restore woes
BryanRexford · February 28, 2015, 06:25:01 pm
Hey all, just joined looking for some help with my struggles. I just completed a frameoff restore on a 92 lt250r. FMF fatty pipe...
9 Replies · 998 Views
Started by BryanRexford
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9 Replies
998 Views
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March 08, 2015, 04:04:52 pm
by Gringo
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CLUTCH PROBLEM
Michaelaphelan · March 04, 2015, 06:21:13 pm
I am rebuilding my 250 and i had bought a engine and it had a hot rods crank put in. It had sat for a bit with no oil in it , s...
0 Replies · 385 Views
Started by Michaelaphelan
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0 Replies
385 Views
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March 04, 2015, 06:21:13 pm
by Michaelaphelan
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8 Replies
862 Views
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March 03, 2015, 04:39:18 pm
by Rslt250r
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How often should I rebuild my top end
Gage garman · February 10, 2015, 01:19:55 pm
I have a 92 lt250 and it hasn't been riden real hard mostly trail riding and riding around my yard. Should I put a new piston an...
26 Replies · 1727 Views
Started by Gage garman
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26 Replies
1727 Views
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March 03, 2015, 03:41:36 pm
by Patman13mia
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Engine knocking/chugging
Gage garman · February 23, 2015, 09:51:54 am
My 250r has a knocking sound when it's idling .when I pull in the clutch is goes away some people say its normal. Do you think i...
2 Replies · 474 Views
Started by Gage garman
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2 Replies
474 Views
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March 01, 2015, 11:21:43 am
by Mgty3Whlr
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1987 timing dots
Kylerj133 · February 28, 2015, 03:50:57 pm
My 87 lt250 vibrates really bad so I decided to check the timing dots on the crank, crank gear, and balancer gear. I came to fin...
0 Replies · 446 Views
Started by Kylerj133
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0 Replies
446 Views
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February 28, 2015, 03:50:57 pm
by Kylerj133
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Blown up top end.
Gage garman · February 23, 2015, 07:00:44 pm
My uncle has a 92 lt250 and last time he rode it it ran perfect and he went to start it today and I won't start. He has low comp...
8 Replies · 713 Views
Started by Gage garman
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8 Replies
713 Views
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February 24, 2015, 01:53:26 pm
by Gage garman
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Top end
Gage garman · February 15, 2015, 01:44:28 pm
If my top end blows up will my bottom end be bad go out to or just my top end
2 Replies · 477 Views
Started by Gage garman
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2 Replies
477 Views
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February 15, 2015, 05:11:09 pm
by Gage garman
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