Suzuki lt125 engine

Suzuki lt125 engine DEFAULT
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  1. 03-28-2007, 09:07 PM#1
    Join Date
    Sep 2005
    Location
    Saskatchewan(Moose Jaw)
    --
    769

    Suzuki LT 125...185?

    Hi, I just recentely got what I was told to be a 1983 Suzuki LT185, it looks kind of small to be a 185, so I was wondering If anybody could tell me where on the engine it says the engine size? Also, I am having trouble getting it into any gears other than 3rd and 4th, so I am going to put fresh oil in and I hope that helps, so I was wondering where is the crankcase/trans case oil drain plug is, and does it have a hexagonal hole to unscrew the drain plug? Also, both the LT125 and the Lt185 were both 4 strokes, right? Thanks for all the help in advance fella's!

  2. 03-28-2007, 10:06 PM#2
    Join Date
    Mar 2005
    Location
    ma
    --
    988
    left side of cylinder near the case should have the cc's marked.

    the 185's have front suspemsion, the 125's don't. thats how you can tell the differance.

    there is a bolt on the bottom of the engine thats for draining the oil.

    you probably have a worn gear. as the 125's and 185's had problems with gears being worn out. most common was reverse being worn and the main driveshaft breaking in half.

  3. 03-29-2007, 07:59 PM#3
    Join Date
    Sep 2005
    Location
    Saskatchewan(Moose Jaw)
    --
    769
    Alright, I have some more news, I changed the oil, and it didnt help much, the only gears I can get are 2nd, 3rd, and fourth. When ever I try to get into another gear other than those 3, the shift lever just goes down and hops back up, so does anybody know what the problem might be, you say a shaft might be broken, could it be anything else? Also what is the shift pattern on this, is it 1st is bottom,then you push the leaver down for neutral, then you push the lever down for 2nd,and then the lever down for 3rd, and then the lever down for 4th?BTW it is a 185.

  4. 03-29-2007, 09:56 PM#4
    Join Date
    Sep 2005
    Location
    Saskatchewan(Moose Jaw)
    --
    769
    Well, I got the shifting worked out, I just had to get it moving, but could someone still tell me the shift pattern? I think I know what it is but i'm not quite sure. Also, there is a little knob on the side of the carb, can anyone tell me what this is, and how to use it, thanks.

  5. 04-01-2007, 01:07 AM#5
    Join Date
    Sep 2005
    Location
    Lipetsk, Russia
    --
    2,824
    I think neutral is either at the top or at the bottom, and the gears go from neutral to 5th in a straight line, not one down and 4 up like on a dirt bike.

  6. 04-02-2007, 09:16 AM#6
    Join Date
    Feb 2007
    Location
    toronto
    --
    2
    on the 125 the knob on the left side is the fuel primer. and the knob on the right side is the cold weather choke.

  7. 04-02-2007, 06:34 PM#7
    Join Date
    Sep 2005
    Location
    Saskatchewan(Moose Jaw)
    --
    769

  8. 04-02-2007, 07:32 PM#8
    Join Date
    Sep 2005
    Location
    Lipetsk, Russia
    --
    2,824
    I used to have one of those little buggers when I was 8 or 9 years old!

  9. 04-25-2009, 09:28 PM#9
    Join Date
    Feb 2009
    Location
    Wisconsin
    --
    521
    I hate to bump this but I just picked up one of these and cannot find any specs on it.


    im looking for how much oil it holds, is there an oil filter
    1985 Auto X lots of upgrades
    1982 Honda 185s 3inch wheel spacers, bassani exhaust
    2001 400ex
    1983 110

  10. 04-25-2009, 09:35 PM#10
    Join Date
    Mar 2006
    Location
    PA
    --
    3,515
    i hate to say it but fill it till the oil is up to the full mark on the dip stick.........THINK WITH YOUR DIP STICK JIMMY!!

    LOL.....i laugh every time i think of that
    80s......185 atc, Yamaha tri-moto 200, 85 200x with tons of work
    90s......89 Suzuki quad racer 250 (raced 250 A class for 6 years, late 90s.. custom framed 250x with long travel shocks and a built 350x motor.... built Honda 110
    00s...... chomeoly framed 350 RX with all the goodies (thanks to my bro)
    2012.....Replaced the 350x motor for a 444cc YZ426
    WWW.HREATV.COM

  11. 04-25-2009, 09:37 PM#11
    Join Date
    Feb 2009
    Location
    Wisconsin
    --
    521
    I would but its just a cap no dip stick.
    1985 Auto X lots of upgrades
    1982 Honda 185s 3inch wheel spacers, bassani exhaust
    2001 400ex
    1983 110

  12. 04-25-2009, 10:29 PM#12
    Join Date
    Aug 2002
    Location
    Creswell, OR
    --
    889
    Look and see if there is a little clear window on the left side of the engine in about the middle-ish lower case, with oil level marks on them.
    www.3wheeler.org

    * * * Nothing scares me more than someone who knows, with certainty, what is best for me * * *

  13. 04-26-2009, 07:18 PM#13
    Join Date
    Feb 2009
    Location
    Wisconsin
    --
    521
    Quote Originally Posted by jenndnn3View Post
    Look and see if there is a little clear window on the left side of the engine in about the middle-ish lower case, with oil level marks on them.
    I found the little clear window, no marks on it though. Kinda hard to see into it.

    If anyone has a copy of the manuals for this atv in pdf format, ill pay for a copy
    1985 Auto X lots of upgrades
    1982 Honda 185s 3inch wheel spacers, bassani exhaust
    2001 400ex
    1983 110

  14. 05-01-2009, 04:10 PM#14
    Join Date
    Jul 2007
    Location
    Tilton Newfoundland
    --
    612
    My old man has a bike like that and he drain the oil out untill it was empty and fill it untill it reached the top of the little galss

    window. This is hs 4th or 5th year with the bike and no problems yet.
    Last edited by Custom200; 05-01-2009 at 06:29 PM.

  15. 05-01-2009, 05:57 PM#15
    Join Date
    Aug 2002
    Location
    Creswell, OR
    --
    889
    Mine has oil level marks so I just dont know..

    But that sounds correct, middle was lowest level towards top was full,

    I do not have a manual, and unsure where to find one. Sorry I cannot be much more help.
    www.3wheeler.org

    * * * Nothing scares me more than someone who knows, with certainty, what is best for me * * *

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Suzuki Starting Frame VIN Number and Engine Serial Numbers

KM1TA11A*D*100001A110-1983 ALT50 DKM1TA11A*E*100001A110-1984 ALT50 ELM1TF41A*D*100001F410-1983 ALT125 DLM1TF41A*E*100001F410-1984 ALT125 ELM1TF41A*F1100001F410-1985 ALT125 FLM1TF41A*G1100001F410-1986 ALT125 GLM1TG41A*F1100001G401-1985 ALT185 FKM4AA11A*E*100001A110-1984 LT50 EKM4AA11A*F1100001A110-1985 LT50 FKM4AA11A*G1100001A110-1986 LT50 GKM4AA11A*H1100001A110-1987 LT50 HLM4AC11A*H1100001C113-1987 LT80 HLM4AC11A*J1100001C113-1988 LT80 J QuadSportLM4AC11A*K1100001C113-1989 LT80 K QuadSportLM4AC11A*L1100001C113-1990 LT80 LLM4AC11A*M1100001C113-1991 LT80 M QuadSportLM4AC11A*N1100001C113-1992 LT80 N QuadSportLM4AC11A*P1100001C113-1993 LT80 P QuadSportLM4AC11A*R1100001C113-1994 LT80 R QuadSportLM4AC11A*S1100001C113-1995 LT80 S QuadSportLM4AC11A*T1100001C113-1996 LT80 T QuadSportLM4AC11A*V1100001C113-1997 LT80 V QuadSportLM4AC11A*W1100001C113-1998 LT80 W QuadSportLM4AC11A*X1100001C113-1999 LT80 X QuadSportLM4AC11A*Y1100001C113-2000 LT80 Y QuadSportLM4AC113*11100001C113-2001 LT80 K1 QuadSportJSATF41A*D*100001F410-1983 LT125 DJSAAF41A*E*100001F410-1984 LT125 E QuadRunnerJSAAF41A*F2100001F410-1985 LT125 F QuadRunnerJSAAF41A*G2100001F410-1986 LT125 G QuadRunnerJSAAF41A*H2100001F410-1987 LT125 H QuadRunnerKM4AG42A*K1100001G402-1989 LT160E K QuadRunnerKM4AG42A*L1100001G402-1990 LT160E L QuadRunnerKM4AG42A*M1100001G402-1991 LT160E M QuadRunnerKM4AG42A*N1100001G402-1992 LT160E N QuadRunnerKM4AG43A*M1100001G402-1991 LT-F160 M QuadRunnerKM4AG43A*N1100001G402-1992 LT-F160 N QuadRunnerKM4AG43A*P1100001G402-1993 LT-F160 P QuadRunnerKM4AG43A*R1100001G402-1994 LT-F160 R QuadRunnerKM4AG43A*S1100001G402-1995 LT-F160 S QuadRunnerKM4AG43A*T1100001G402-1996 LT-F160 T QuadRunnerKM4AG43A*V1100001G402-1997 LT-F160 V QuadRunnerKM4AG43A*W1100001G402-1998 LT-F160 W QuadRunnerKM4AG43A*X1100001G402-1999 LT-F160 X QuadRunnerKM4AG43A*Y1100001G402-2000 LT-F160 Y QuadRunnerKM4AG43A*11100001G402-2001 LT-F160 K1 QuadRunnerJSAAG41A*E*100001G401-1984 LT185 EJSAAG41A*F2100001G401-1985 LT185 FJSAAG41A*G2100001G401-1986 LT185 GJSAAG41A*H2100001G401-1987 LT185 HJSAAJ46A*H2100001J416-1987 LT230E H QuadRunnerJSAAJ46A*J2100001J416-1988 LT230E J QuadRunnerJSAAJ46A*K2100001J416-1989 LT230E K QuadRunnerJSAAJ46A*L2100001J416-1990 LT230E L QuadRunnerJSAAJ46A*M2100001J416-1991 LT230E M QuadRunnerJSAAJ46A*N2100001J416-1992 LT230E N QuadRunnerJSAAJ46A*P2100001J416-1993 LT230E P QuadRunnerJSAAJ42A*F2100001J410-1985 LT230GE F QuadRunnerJSAAJ42A*G2100001J410-1986 LT230GE G QuadRunnerJSAAJ43A*F2100001J411-1985 LT230S F QuadSportJSAAJ43A*G2100001J411-1986 LT230S G QuadSportJSAAJ43A*H2100001J411-1987 LT230S H QuadSportJSAAJ43A*J2100001J411-1988 LT230S J QuadSportJSAAJ44A*G2100001J412-1986 LT-F230 GJSAAJ44A*H2100001J412-1987 LT-F230 HJSAAJ41A*F2100001J409-1985 LT250E F QuadRunnerJSAAJ41A*F2100001J409-1985 LT250EF F QuadRunnerJSAAJ41A*G2100001J409-1986 LT250EF G QuadRunnerJSAAJ11A*F2100001J104-1985 LT250R F QuadRacerJSAAJ11A*G2100001J104-1986 LT250R G QuadRacerJSAAJ12A*H2100001J109-1987 LT250R H QuadRacerJSAAJ12A*J2100001J109-1988 LT250R J QuadRacerJSAAJ12A*K2100001J109-1989 LT250R K QuadRacerJSAAJ12A*L2100001J109-1990 LT250R L QuadRacerJSAAJ12A*M2100001J109-1991 LT250R M QuadRacerJSAAJ12A*N2100001J109-1992 LT250R N QuadRacerJSAAJ48A*K2100001J418-1989 LT250S K QuadSportJSAAJ48A*L2100001J418-1990 LT250S L QuadSportJSAAJ47A*J2100001J417-1988 LT-F250 J QuadRunnerJSAAJ47A*K2100001J417-1989 LT-F250 K QuadRunnerJSAAJ47A*L2100001J417-1990 LT-F250 L QuadRunnerJSAAJ47A*M2100001J417-1991 LT-F250 M QuadRunnerJSAAJ47A*N2100001J417-1992 LT-F250 N QuadRunnerJSAAJ47A*P2100001J417-1993 LT-F250 P QuadRunnerJSAAJ47A*R2100001J417-1994 LT-F250 R QuadRunnerJSAAJ47A*S2100001J417-1995 LT-F250 S QuadRunnerJSAAJ47A*T2100001J417-1996 LT-F250 T QuadRunnerJSAAJ47A*V2100001J417-1997 LT-F250 V QuadRunnerJSAAJ47A*W2100001J417-1998 LT-F250 W QuadRunner 2WDJSAAJ49A*X2100001J417-1999 LT-F250 X QuadRunner 2WDJSAAJ49A*Y2100001J417-2000 LT-F250 Y QuadRunnerJSAAJ49A*12100001J417-2001 LT-F250 K1 QuadRunner 2WDJSAAJ45A*H2100001J413-1987 LT-4WD H QuadRunner 4WDJSAAJ45A*J2100001J413-1988 LT-4WD J QuadRunner 4WDJSAAJ45A*K2100001J413-1989 LT-4WD K QuadRunner 4WDJSAAJ45A*L2100001J413-1990 LT-4WD L QuadRunner 4WDJSAAJ45A*M2100001J413-1991 LT-4WD M QuadRunner 4WDJSAAJ45A*N2100001J413-1992 LT-4WD N QuadRunner 4WDJSAAJ45A*P2100001J413-1993 LT-4WD P QuadRunner 4WDJSAAJ45A*R2100001J413-1994 LT-4WD R QuadRunner 4WDJSAAJ45A*S2100001J413-1995 LT-4WD S QuadRunner 4WDJSAAJ45A*T2100001J413-1996 LT-4WD T QuadRunner 4WDJSAAJ45A*V2100001J413-1997 LT-F4WD V QuadRunner 4WDJSAAJ45A*W2100001J413-1998 LT-F4WD W QuadRunner 4WDJSAAJ50A*X2100001J413-1999 LT-F250F X QuadRunner 4x4JSAAJ50A*Y2100001J413-2000 LT-F250F Y QuadRunner 4x4JSAAJ50A*12100001J413-2001 LT-F250F K1 QuadRunner 4x4JSAAK42A*M2100001K403-1991 LT-F4WDX M King QuadJSAAK42A*N2100001K403-1992 LT-F4WDX N King Quad 4WDJSAAK42A*P2100001K403-1993 LT-F4WDX P King Quad 4WDJSAAK42A*R2100001K403-1994 LT-F4WDX R King Quad 4WDJSAAK42A*S2100001K403-1995 LT-F4WDX S King Quad 4WDJSAAK42A*T2100001K403-1996 LT-F4WDX T King Quad 4WDJSAAK42A*V2100001K403-1997 LT-F4WDX V King Quad 4WDJSAAK42A*W2100001K403-1998 LT-F4WDX W King Quad 4WDJSAAK41A*H2100001K401-1987 LT300E H QuadRunnerJSAAK41A*J2100001K401-1988 LT300E J QuadRunnerJSAAK41A*K2100001K401-1989 LT300E K QuadRunnerJSAAK43A*X2100001K403-1999 LT-F300F X King Quad 4x4JSAAK43A*Y2100001K403-2000 LT-F300F Y King Quad 4x4JSAAK43A*12100001K403-2001 LT-F300F K1 King Quad 4x4JSAAM42A*Y2100001M407-2000 LT-A500F Y Quad MasterJSAAM42A*12100001M407-2001 LT-A500F K1 Quad MasterJSAAM41A*W2100001M405-1998 LT-F500F W QuadRunnerJSAAM41A*X2100001M405-1999 LT-F500F X QuadRunnerJSAAM41A*Y2100001M405-2000 LT-F500F Y QuadRunnerJSAAM41A*12100001M405-2001 LT-F500F K1 QuadRunnerJSAAM11A*H2100001M102-1987 LT500R H QuadRacerJSAAM11A*J2100001M102-1988 LT500R J QuadRacerJSAAM11A*K2100001M102-1989 LT500R K QuadRacerJSAAM11A*L2100001M103-1990 LT500R L QuadRacer
Sours: https://atvmanual.com/suzuki/frame-vin-and-engine-serial-numbers
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Suzuki LT125D

The Suzuki LT125 Quadrunner (also known as the Suzuki QuadRunner 125[1]) was an all-terrain vehicle produced by Suzuki and developed in Whanganui, New Zealand by Rod Coleman. When it was introduced along side the ALT125 ATC in 1982, it was the first four-wheeled ATV on the market.[2] It had a pull start (no electric starter at all) 124 cc (7.57 cu in) engine, which had a claimed power output of 8.3 kW (11.1 hp) at 7,000 RPM.[3] The power was transmitted to the wheels via a 5-speed semi-automatic transmission.[4] Braking was accomplished via a single drum brake on the rear axle, with no front brakes. The LT125 also had no suspension front or rear, with all bump handling being accomplished by its low pressure tires.

1983 1984 1985 1986 1987
LT125D LT125E LT125F LT125G LT125H

References[edit]

Sours: https://en.wikipedia.org/wiki/Suzuki_LT125D
suzuki lt 125 whit 185 engine

84 SUZUKI ATV LT125 LT 125 QUADRUNNER ENGINE SHIFT SHAFT #U134E For Sale



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84 SUZUKI ATV LT125 LT 125 QUADRUNNER ENGINE SHIFT SHAFT #U134E:
$19.2

Item pictured is item shipped. You get everything you see in the picture. We do NOT use stock file pictures as some of our competitors do. Please view all of our pictures located under the main picture before purchasing. 84 LT125 Shift shaft. Part is in good working condition. Any problems will be stated below. PROBLEM(S) WITH PART: None. Parts will fit other years and applications, contact your dealer to know for sure. I am adding parts every week but if you dont see it I can put it there as I will be parting out the whole bike. PICTURES: If interested in purchasing this item and want to see extra pictures, email us and we will be happy to provide you with more. FREE SHIPPING TO THE LOWER 48 USA STATES!! Shipping is not free to international and outside continental US (HI, AK, PR, GM, VI, ect). Email me for shipping rates. Yes I do combine shipping but it is not automatic. If the shipping price is too much, please email me before you pay and I will adjust it. SHIPPING INFO: Shipping is not free to international and outside continental US (Hawaii, Alaska, Puerto Rico, Guam, VI, AS, ect.). Email me for shipping rates. I answer all emails so if you dont receive an answer within 24 hours it did not go through. Parts will be shipped next business day after payment is received or sooner. (10133) (1) PAYMENT INFO: I always combine multi item shipping charges, just wait for my COMBINED INVOICE before payment is made. I accept PAYPAL for payment and ship WORLDWIDE. Payment to be received within 7 days of purchase.


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Vertex 23553a Piston Kit - Standard Bore 95.45mm, 13.0:1 High Compression picture
Vertex 23553a Piston Kit - Standard Bore 95.45mm, 13.0:1 High Compression


1996 Polaris Xplorer 400 4x4 Coolant Thermo Temperature Temp Sensor Switch picture
1996 Polaris Xplorer 400 4x4 Coolant Thermo Temperature Temp Sensor Switch


02598 Honda Atc 185s Oem Cylinder Head & Camshaft 83 1983 Cf picture
02598 Honda Atc 185s Oem Cylinder Head & Camshaft 83 1983 Cf


Sours: https://simhq.com/store/84-Suzuki-Atv-Lt125-Lt-125-Quadrunner-Engine-Shift-Shaft-u134e_353690610516.html

Engine suzuki lt125

Suzuki ATVs that changed the world!

ATVing is a new sport for many enthusiasts, so it may seem hard to believe that Suzuki is celebrating its 30th anniversary making four-wheelers and its 50th year in America. Suzuki made three-wheelers more than 30 years ago and was the first of today’s major manufacturers to offer quads. Suzuki didn’t just lead the ATV industry with the first four-wheeler, they made many trendsetting machines along the way. Let’s look at the milestone Suzuki models that changed the sport and the world!

'83_LT125_Diagonal

1983 LT125 QuadRunner
In 1982, Suzuki shifted the entire ATVing world from three-wheelers to four-wheelers with the innovative Suzuki LT125 QuadRunner, which was released as a 1983 model. It had an air-cooled, 125cc, singleoverhead- cam, two-valve engine and a foot-shift, five-speed transmission with a convenient automatic clutch. The tires and thick, soft seat provided the suspension, but the LT125 had electric starting and reverse, rare luxuries on ATVs in the early ’80s.

'85-QuadRacer-250_Diagonal

1985 LT250R QuadRacer
Until 1985, high-performance, twostroke three-wheelers dominated ATV racing. The liquid-cooled, two-stroke QuadRacer 250 changed ATV racing and high-performance ATVs forever. The LT250R was a pure performance machine, with a manual clutch, five-speed transmission, no reverse and kickstarting for maximum performance with minimum weight, just 325 pounds! Honda followed Suzuki’s lead in 1986 with the legendary TRX250R high-performance quad.

'86-QuadRacer500_Diagonal

1986 LT500R QuadRacer
As if the shock wave the LT250R created in the high-performance sport ATV class wasn’t enough, Suzuki released the amazing 500cc, two-stroke LT500R just a year later, rewriting the rules for the big-bore sport ATV class and paving the way for outlandish open-class sport machines like the Raptor 700. The mighty 500’s liquid-cooled engine featured a variable exhaust port, just like state-of-the-art motocross bikes of the day. A pure sport machine, this kickstartonly beast had no reverse and a manual-clutch, five-speed transmission. The 500’s monsterous power earned it a cult following that continues today—and the nickname “Quadzilla.”

'91-KingQuad_Diagonal

1991 LT280 KingQuad
It may be hard to believe that an air-cooled, 280cc, single-cylinder machine could rock the 4×4 ATV world, but in 1991, a 280 was big, and the first KingQuad’s impact can still be felt today. This was the first four-wheeler to come loaded with features that are considered must-haves on modern 4WD machines. It had independent rear suspension when solid-axle rear ends were the norm, selectable 2WD/4WD when 4WD was rare, and selectable 2WD/4WD was almost unheard of. The KingQuad also featured a lockable front differential, a key feature found only on today’s best-equipped 4WDs. The first KingQuad’s foot-shift, automatic-clutch transmission had high and low ranges for its five speeds, giving the 280 impressive pulling power, speed and versatility.

LT-Z400K3_YEL_D

2002 LTZ400 QuadSport
In 2002, Suzuki reenergized the midsize sport segment with the LTZ400, one of the best-performing, most versatile sport quads ever released. Rugged, nimble and easy to ride with enough performance potential for serious racing, the liquidcooled, double-overhead-cam machine worked great for a huge range of riders. Electric starting and reverse made it an instant hit with trail riders and woods racers. Modified, it won national motocross championships. A winner since its introduction, the Suzuki Z400 steadily improved and was seriously upgraded in 2009 with fresh styling, fuel injection and adjustable piggyback-reservoir front shocks to go with its piggyback-reservoir rear shock. It’s still one of the best allaround sport ATVs available.

LTR450_YU1_1

2006 LT-R450 QuadRacer
Suzuki took the high-performance ATV concept to another level with the LT-R450, the first production motocross-width competition quad. Its popularity spawned similarly equipped race machines from Yamaha, Can-Am and KTM. The 450’s highly tuned, radically over-square, fuel-injected, doubleoverhead- cam engine was set in a chassis with 50-inch-wide A-arms and axles—motocross-spec parts racers had to buy and add to other high-performance quads. Excellent ergonomics and handling and raceready ruggedness make the LT-R450 a prized race machine today, even though Suzuki discontinued the model in 2009.

Sours: https://utvactionmag.com/suzuki-atvs-that-changed-the-world/
Overview of my Suzuki Lt 125

How to Adjust Valves on a Suzuki LT 125

adrenalinepowersportsmag


The 1984 Suzuki LT125 ATV features a single-cylinder, air-cooled, overhead cam four-stroke engine. Suzuki recommends adjusting the valve clearances after the first 100 miles or one month of operation, and thereafter every 600 miles or six months. To assure proper tolerances, checking the clearance and adjusting the valves must be done only when the engine is cool to the touch. The correct valve clearance for the intake and exhaust valves on the four-stroke LT125 is 0.08 mm – 0.13 mm.

Instructions

Preparation

  • Lift the combination seat/rear fender assembly to access the engine. The intake (rear) valve is closest to you, the exhaust valve is located on the opposite side of the cylinder head, towards the front of the vehicle.

  • Expose the two valves by removing the threaded caps from the front and rear of the cylinder head of the engine with an end wrench. Threaded caps look like hexagonal bolt heads, but with a broad circular base. The caps cover wells in the cylinder heads which allow access to the valve adjustment screws. Remove the recoil starter from the left side of the engine by taking out the four bolts securing it to the crankshaft mount.

  • Remove the spark plug wire and take out the spark plug. Put your thumb over the spark plug hole and rotate the crankshaft by hand counterclockwise until you feel the sensation of pressure building inside the cylinder that indicates the piston is on its compression stroke. (If the piston is on an exhaust stroke, the exhaust valve will be open and there will be no detectable pressure in the cylinder at all.) The “T” mark on the crankshaft rotor should be lined up with the pointer on the crankcase.

Checking Valve Clearance

  • Select a feeler gauge within the 0.08 mm to 0.013 range.

  • Locate the intake valve at the rear of the engine and slip the feeler gauge between the valve and its corresponding adjusting screw.

  • Determine the fit of the feeler gauge. If it fits snugly with minimal metal-to-metal contact and can be moved in and out of the gap without binding, the valve adjustment is within limits. If the feeler gauge will not fit between the valve stem and the adjusting screw, the adjustment is too tight. If there is no feeling of drag as it is inserted in the gap and you can wiggle it laterally and up and down without resistance the valve gap is too loose.

Valve Adjustment And Reassembly

  • Loosen the locknut on the adjusting screw with an end wrench. Using a flat-bladed screwdriver, loosen the adjusting screw until the feeler gauge will fit into the gap or tighten it to remove excess play. Hold the adjusting screw in place with the screwdriver and tighten the locknut with the end wrench. Repeat the procedure on the exhaust valve at the front of the engine.

  • Re-install the threaded caps on the front and rear of the cylinder head. Bolt the recoil starter on crankshaft mount at the left side of the engine using the four bolts.

  • Replace the spark plug and attach the spark plug wire. Lower and latch the seat/fender assembly.

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Sours: https://adrenalinepowersportsmag.wordpress.com/2012/09/04/how-to-adjust-valves-on-a-suzuki-lt-125/

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