LT250R - Engine

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power valve backwards? power valve backwards? bigbossjake · August 01, 2016, 05:51:13 pm I am installing my powervalve after a top end rebuild. It seems the powervalve is open when the arm is down and when the arm mo... 3 Replies · 1401 Views Started by bigbossjake	3 Replies 1401 Views	August 02, 2016, 12:13:51 pm by Q2W
You have to be kidding me... You have to be kidding me... Maguire1 · July 20, 2016, 05:48:59 pm First off, Hello and thank you for the add! OK quick question, my brother took my 250r for a ride and some way somehow the drain... 1 Replies · 1227 Views Started by Maguire1	1 Replies 1227 Views	July 20, 2016, 09:46:34 pm by MotorGeek - Jerry Hall
86 crank?? 86 crank?? Miskei03 · July 03, 2016, 07:23:45 pm Ok I just had my top end bored and put in new top end kit and I noticed some play in the crank. It moves when the crank is at th... 7 Replies · 1505 Views Started by Miskei03	7 Replies 1505 Views	July 05, 2016, 03:20:45 pm by Miskei03
looking at a tillotson racing carg maybe looking at a tillotson racing carg maybe Sublunacy · June 05, 2016, 09:48:01 am so i am sort of feeling out a new carb for 1992 lt250r. im looking at the new tillotson hw-24a. the venturi size is 32mm and th... 3 Replies · 1073 Views Started by Sublunacy	3 Replies 1073 Views	June 23, 2016, 07:41:12 pm by Sublunacy
Hi, new here, with problems of course. Hi, new here, with problems of course. Steve Jagger · June 05, 2016, 11:05:30 pm Hi everyone, first time poster, long time reader. I love this site, so perhaps you can help me. I bought an 86 lt250r about a ye... 19 Replies · 1858 Views Started by Steve Jagger	19 Replies 1858 Views	June 20, 2016, 07:17:45 pm by Dutch_Rutter
Head gasket ? Head gasket ? Mtsnieg · June 06, 2016, 06:11:42 am A local guy brought me an '88 LT250R to put together for him. Against my recommendations, he gave me a Namura gasket set, which ... 1 Replies · 1148 Views Started by Mtsnieg	1 Replies 1148 Views	June 06, 2016, 09:45:57 am by Dutch_Rutter
Crankshaft question Crankshaft question Quadracer4q · October 10, 2015, 08:58:56 am I have a 87 lt250r and i am taking motor apart and there are plastic plugs in the crank in the drill holes. Is this there for a ... 4 Replies · 1325 Views Started by Quadracer4q	4 Replies 1325 Views	May 17, 2016, 04:34:56 pm by 92lt250wannabe
Kickstart rebuild Kickstart rebuild Michaelaphelan · March 20, 2016, 11:04:02 am I am needing to rebuild my 250r kickstart, where would I find a kit 3 Replies · 1222 Views Started by Michaelaphelan	3 Replies 1222 Views	April 24, 2016, 08:45:52 pm by 92lt250wannabe
New to 250r- Looking for some jetting help New to 250r- Looking for some jetting help mattc8821 · March 27, 2016, 06:25:43 pm whats up guys, just got an 85 lt250r. First one ive ever had. Very familiar with 2 strokes-have had a ton of banshees. Anyway, b... 3 Replies · 1116 Views Started by mattc8821	3 Replies 1116 Views	March 29, 2016, 06:12:47 pm by mattc8821
85 Crank Seal? 85 Crank Seal? laddbg · March 14, 2016, 07:25:07 am I'm in the process of rebuilding a 1985 LT250R. The reworked crank arrived last week so I proceeded with the crank install this ... 0 Replies · 1091 Views Started by laddbg	0 Replies 1091 Views	March 14, 2016, 07:25:07 am by laddbg
Keihin 39 PWK Keihin 39 PWK whiskey1010 · February 22, 2016, 03:49:30 pm About 9 years ago I completely rebuilt my 88 250 motor. I bought a Q pipe and a keihin 39 PWK carb. After all that life happen... 4 Replies · 1561 Views Started by whiskey1010	4 Replies 1561 Views	February 26, 2016, 02:41:53 pm by El Diablo
engine breaking up bad under load engine breaking up bad under load twostrokewhip · January 01, 2016, 07:27:29 pm Just picked up my first lt250r, it's an '89 and I'm trying to work out the bugs and could use some 2 stroke help. Problem- The ... 14 Replies · 1861 Views Started by twostrokewhip	14 Replies 1861 Views	February 16, 2016, 09:29:31 am by PurplePeopleEater
1990 head gasket 1990 head gasket Smokey2strokeguy · February 10, 2016, 06:54:04 pm Hey guys, I'm new here I am redoing a head gasket on my 1990 250r. Close to stock cylinder may be on its second/ or third bore. ... 1 Replies · 1066 Views Started by Smokey2strokeguy	1 Replies 1066 Views	February 10, 2016, 10:20:24 pm by MotorGeek - Jerry Hall
1990 lt250r burning tranny fluid 1990 lt250r burning tranny fluid 90lt250rnoob · November 09, 2015, 12:14:43 pm Hey guys my 1990 lt250r I'm pretty sure is burning my tranny fluid. The amount of spooge is rediculous. All over the Frame motor... 10 Replies · 1863 Views Started by 90lt250rnoob	10 Replies 1863 Views	February 04, 2016, 06:53:25 pm by El Diablo
High Rev Vibration High Rev Vibration Fateofnorns · February 01, 2016, 04:30:58 pm Let me apologize in advance because this topic has probably been done before, but I'm having some nasty vibration at high revs. ... 4 Replies · 1387 Views Started by Fateofnorns	4 Replies 1387 Views	February 04, 2016, 03:31:44 pm by Fateofnorns
cylinder help! cylinder help! Terry_j48173 · January 04, 2016, 06:14:40 pm Hi guys, new to the site. Just picked up a cpl lt250rs. One needed a "top end" I should have walked away from it. Found Jb weld ... 9 Replies · 1649 Views Started by Terry_j48173	9 Replies 1649 Views	January 17, 2016, 11:28:41 pm by All American
chain tensioner chain tensioner smithy316 · December 18, 2015, 06:55:10 pm Looking to buy a 1989 lt250r but it needs a chain tensioner. I assume this refers to the timing chain tensioner not a drive cha... 6 Replies · 1760 Views Started by smithy316	6 Replies 1760 Views	December 26, 2015, 09:02:15 pm by smithy316
86 QR shifting issue 86 QR shifting issue persom55 · November 16, 2015, 08:56:36 am Hello everyone, been a lurker for a while but I'm posting now for some help/opinions.My 86 QR will not consecutively up shift su... 1 Replies · 1109 Views Started by persom55	1 Replies 1109 Views	December 16, 2015, 09:28:39 pm by persom55
Hey guys, new here and to the Quadracer family. Hey guys, new here and to the Quadracer family. Foxracing500r · October 14, 2015, 07:31:00 am Hey guys, Foxracing500r here. I am usually making GTA videos on YouTube but I decided to get a bike again after years. I have 2 ... 53 Replies · 3908 Views Started by Foxracing500r « 1 2 3 »	53 Replies 3908 Views	November 19, 2015, 05:35:41 pm by Foxracing500r
Thrust washers... Thrust washers... surgicalCFe · October 09, 2015, 07:45:42 am Hello. New here and I'm rebuilding my 86 lt250r engine. I'm in need of the thrust washers sold here (out of stock) and was won... 3 Replies · 920 Views Started by surgicalCFe	3 Replies 920 Views	October 12, 2015, 07:44:23 pm by Quadster
who to send an 92 cylinder out to for port work who to send an 92 cylinder out to for port work Carter Wolodko · July 28, 2015, 05:58:01 pm Hey guys,I got my hands on a nos lt250r small reed cylinder, I'm looking at having it sent out for porting, just curious on who ... 22 Replies · 2404 Views Started by Carter Wolodko	22 Replies 2404 Views	October 10, 2015, 08:56:48 pm by All American
Kick starter on 86 lt250 Kick starter on 86 lt250 Codynolan01992 · August 28, 2015, 12:20:10 pm Just got an 86 lt250 last week and the thrust bearing was bad so I took the clutch cover off replaced it and replaced the clutch... 2 Replies · 580 Views Started by Codynolan01992	2 Replies 580 Views	October 09, 2015, 06:11:58 pm by surgicalCFe
No thrust washers in bottom end? No thrust washers in bottom end? YZ250K · October 07, 2015, 03:02:25 pm I was just getting ready to put my newly resleeved cylinder on when I noticed 2 things I do not like. lol.... First one this eng... 2 Replies · 628 Views Started by YZ250K	2 Replies 628 Views	October 09, 2015, 07:50:13 am by surgicalCFe
Can two strokes run off nitrous oxide? Can two strokes run off nitrous oxide? Redwhiteblue · August 10, 2015, 09:18:23 pm Just curious if it's possible and how would one go about doing it. This may be a dumb question but you won't know unless you ask... 26 Replies · 1705 Views Started by Redwhiteblue « 1 2 »	26 Replies 1705 Views	September 18, 2015, 01:08:58 pm by Redwhiteblue
Base Gasket 85-86 Base Gasket 85-86 Quadracer4q · September 16, 2015, 03:24:09 pm Is there a DIY base gasket for 85-86. I know gaskets are reasonable but I had good luck with the gasket I made for my 89 plus I ... 1 Replies · 501 Views Started by Quadracer4q	1 Replies 501 Views	September 17, 2015, 10:40:20 am by Dutch_Rutter
86 quadracer project wont start. Please Help!! 86 quadracer project wont start. Please Help!! wilsonswelding2013 · August 20, 2015, 07:47:28 am Ok, Im new here, would like to thank anybody that may be able to help me figure out the problem I am having. I recently purchase... 6 Replies · 919 Views Started by wilsonswelding2013	6 Replies 919 Views	August 25, 2015, 10:37:20 am by Q2W
Help please Help please Longtravel · August 04, 2015, 10:03:23 am I have a KEIHIN PWK 72RA2 KJ carb on my new to me 92 LT 250r. Cant find any info on what size it is, can anyone help me with thi... 6 Replies · 900 Views Started by Longtravel	6 Replies 900 Views	August 18, 2015, 12:16:24 pm by Glamisrider
where to buy new shift forks where to buy new shift forks Longtravel · August 16, 2015, 11:57:16 am I need new shift forks for a 1992 LT 250R. Anyone know where I can get some. Thanks for any help 1 Replies · 468 Views Started by Longtravel	1 Replies 468 Views	August 17, 2015, 07:01:51 am by Q2W
piston/cylinder clearance piston/cylinder clearance YZ250K · August 08, 2015, 01:34:22 pm Anyone know the piston/cylinder clearance for a 1985-86 Quad racer 250R? 2 Replies · 667 Views Started by YZ250K	2 Replies 667 Views	August 08, 2015, 09:57:32 pm by Redwhiteblue
LT250R Leak down test. LT250R Leak down test. 92lt250wannabe · August 02, 2015, 08:12:02 pm Well I had something happen out on a recent trail ride. I thought it was jetting issue due to the new 38mm carb i installed but ... 10 Replies · 2035 Views Started by 92lt250wannabe	10 Replies 2035 Views	August 04, 2015, 02:38:19 pm by MotorGeek - Jerry Hall
SB designs case saver SB designs case saver 92lt250wannabe · January 03, 2015, 09:16:52 pm Will the sb deaigna case saver work if the bolt studs or whatever you would call them are broken? The chain musta blew on the bi... 12 Replies · 1518 Views Started by 92lt250wannabe	12 Replies 1518 Views	July 29, 2015, 02:17:43 pm by 92lt250wannabe
lt250r blown top end after rebuild lt250r blown top end after rebuild 89LT250r · June 15, 2015, 06:03:52 pm Ok so I just had my 89 lt250r port and polished, head milled, bore over, new wiesco piston. Just had it running good then one of... 16 Replies · 1307 Views Started by 89LT250r	16 Replies 1307 Views	July 28, 2015, 01:28:45 am by Rossy
Jetting my 38mm for the lt250 Jetting my 38mm for the lt250 Dutch_Rutter · July 07, 2015, 09:37:14 am This has probably been covered several different places. but I will be tackling the task of jetting a zilla carb for my 250. I a... 17 Replies · 4524 Views Started by Dutch_Rutter	17 Replies 4524 Views	July 13, 2015, 10:01:45 pm by Dutch_Rutter
HELP... with my 90 project. HELP... with my 90 project. Dutch_Rutter · June 05, 2015, 09:19:10 pm Alright guys,Got to fire up my year long project and was able to start it fine several times. then today I put it into gear with... 6 Replies · 890 Views Started by Dutch_Rutter	6 Replies 890 Views	July 02, 2015, 10:06:01 am by Dutch_Rutter
KickStarter KickStarter Pinski1015 · June 23, 2015, 04:04:08 pm I have an 86' 250r. The kickstarter has a lot of play in it and does not like to stay in place during riding and hits my leg. Is... 5 Replies · 810 Views Started by Pinski1015	5 Replies 810 Views	June 25, 2015, 08:30:00 am by Rainman56