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1989, 250, 89, backfiring, chain, forum, manual, moto, repair, tdc, timing, valve, yamaha, yfm, yz

need help with valve timing 1989 yfm 250 moto-4

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mdlearnest on May 30, 2009

Feb 21, 2025 11:28 AM
by Nate490

20

41,209

Yamaha

, 390, beam, disconnect, donde, es, guards, havasu, imgiexpressionsfaceiconsmallsmilegifimg, jet, jim, lake, mod, moto, polaris, quick, swaybar

Sticky

The Polaris Nuthouse

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1 2 3 ... Last Page)

garrett5462 on Aug 14, 2005

Nov 14, 2024 12:23 PM
by Jadenyoboiii

5,946

473,350

Polaris

188, 2009, atv, cf, cf188, cfmoto, engine, engines, manual, manuals, moto, servis, tech, utv, v3

CF Moto 188 (493cc) service manual

PenneyUTV on Aug 3, 2009

Jun 28, 2024 07:04 AM
by yerbito

4

13,254

General RUV / UTV Discussion

4, 80, 80cc, atvs, box, cc, cdi, checking, moto, moto4, ohms, specs, stator, test, yamaha

1986ish 80cc Moto 4.0 Coil/CDI Test?

wetoncrater on Aug 10, 2011

Oct 10, 2023 03:12 AM
by merryman

4

12,901

Yamaha

250, 4182st, atv, filter, jet, jetmoto, manual, manuel, moto, myjetmotos8kcom, repair, review, reviews, sport, uni

jetmoto 250 reviews

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1 2 3)

tay5656 on Sep 11, 2008

Oct 10, 2023 03:04 AM
by merryman

27

12,490

Chinese Quads

1989, 200, carb, carburetor, jet, mikuni, moto, moto4, needle, pilot, screw, settings, throttle, vm22sh, yamaha, yfm

newbie needs help MOTO 4 200 CARB????

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motoboss on Apr 16, 2007

May 8, 2022 10:00 AM
by 85 Yamaha

48

123,716

Yamaha

1985, 4, atv, engine, engines, information, moto, moto4, motor, pictures, problems, replacing, repower, swap, yamaha

Repower 1985 Yamaha Moto 4 - replace engine

Rulloff on Dec 5, 2012

Apr 18, 2022 01:54 PM
by Texas Freedom

1

4,664

General Chat

1988, 350, atv, cdi, coil, location, moto, moto4, no, plug, spark, test, troubleshoot, troubleshooting, voltage, yamaha

Moto 4 350 no spark

Scottwizer on Jan 12, 2010

Nov 17, 2021 02:42 AM
by merryman

5

18,717

Yamaha

2000, 80, 80cc, badger, bolt, cc, champ, is, like, moto, pattern, rear, shocks, yamaha, year

I need help with my Yamaha 80cc moto 4

runningswift on Mar 15, 2002

Jan 27, 2021 12:05 PM
by Tkraemer8909

9

28,155

Yamaha

1985, 225, 225dx, atv, bad, coil, electrical, fourwheeler, gas, idle, moto, pack, screw, setting, system, work, yamaha

what would cause an atv to not idle?

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jestes_13 on Mar 14, 2013

Jan 3, 2021 07:46 AM
by Bert1231

32

68,868

Yamaha

1989, 225, atvs, bear, big, carb, custom, exhaust, kart, moto, older, parts, pics, shifter, yamaha

Help ID this old Yamaha

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1 2)

Malachi on Jun 8, 2009

Aug 21, 2020 02:30 PM
by Stephanie-lee Van Deventer

12

23,980

Yamaha

200, 223cc, 225, 88, atv, capacity, capasity, cc, change, dxw, filter, moto, moto4, oil, yamaha, yfm

Moto 4 Oil and Capacities

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1badtacoma on Nov 18, 2008

Jul 1, 2020 01:18 PM
by Michael Weeks

13

116,124

Yamaha

110cc, 125cc, 300, 99, carb, engine, exc, jet, ktm, moto, motor, pull, quad, screws, wire, yamati

Yamati 110cc??? Maybe???

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msmccabe on Jan 1, 2012

Jun 11, 2020 12:16 AM
by Michael perez

43

26,315

1) Engine problems..

125cc, 200, 2006, barossa, change, engine, honda, jet, jetmoto, manual, moto, oil, owner, quads, quarterback

Couple of questions about a Barossa 250 twin

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RMK700 on May 31, 2009

May 5, 2020 03:57 PM
by WR450F

11

20,445

Chinese Quads

225, 225cc, 86, 87, atv, forward, gear, high, lever, low, moto, moto4, recommended, reverse, shift, shifter, yamaha

86 Moto4 - 225cc Tranny Question (HI/LOW)

Mutley999 on Mar 30, 2008

May 4, 2020 10:40 AM
by 89prohaulerguy

9

18,920

Yamaha

adjust, ignition, marks, moto, moto4, set, timing, yamaha

Moto 4 Ignition Timing

wrosales on Mar 23, 2010

Mar 28, 2020 03:39 AM
by merryman

2

6,660

Yamaha

new guy with moto4 questions

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1 2)

caphawk on Jan 4, 2014

Dec 26, 2019 09:06 PM
by Devinmesser1994

16

12,741

Yamaha

225, 85, 85cc, axle, axles, back, bearings, change, end, moto, moto4, rear, removal, remove, yamaha

85 Yamaha Moto 4 axle removal

Duster70 on Apr 11, 2004

May 8, 2019 07:25 PM
by Big Frank

2

8,301

Drivetrain, Suspension & Tires

225, arm, cannibal, cannondale, drive, moto, pivot, removal, remove, shaft, swing, swingarm, timberwolf, tri, yamaha

85 tri moto 225 swing arm hassles

quickonstep on Jun 20, 2004

Mar 17, 2019 01:06 PM
by PGPCanuck

6

8,265

Yamaha

1986, 225, 85, 87, coil, electric, ignition, moto, moto4, pickup, problems, purpose, start, upgrade, yamaha

Starting problem 87 moto 4 225

Gar n tar on May 4, 2013

Jan 7, 2018 07:45 PM
by kkcloak

7

16,892

Yamaha

350, 89, moto, moto4, project, yahama, yamaha

89 Yamaha Moto 4 350 Project

justinrgraham3 on Sep 12, 2013

Jan 7, 2018 05:51 PM
by kkcloak

2

4,508

Performance Mods and Project Quads

atv, bear, big, boggin, high, idle, idling, issue, issues, moto, plow, power, problem, snow, stumbling, yamaha

- SOULTION FOUND - 1988 Yamaha Moto 4, Idling, and power under load issue.

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FACTORYDAD on Feb 25, 2006

Nov 18, 2017 12:35 AM
by Ben Riutta

17

37,070

Yamaha

200, 400, atv, clean, gap, intermitant, intermitantly, intermittent, loses, magnets, moto, plug, spark, yamaha, yfm

Intermittent Spark /Little to no spark @PLEASE Help@

Moto4Yfm200Rev on Dec 29, 2012

Jul 23, 2017 12:31 AM
by Jones Casey

3

14,077

Yamaha

1985, 200, 85, 86, brake, diagram, electrical, information, moto, problems, schematic, timing, wiring, yamaha, yfm, yfm200

General info needed on the YFM200 moto4

rkgsmith on Sep 3, 2010

Jun 24, 2017 04:01 PM
by asherbeeson

4

17,599

Yamaha

100, 1985, 200, adjust, carb, cranks, electrical, fire, moto, quad, spark, start, wont, yamaha, yfm, yfm200

1985 yfm200 moto-4, won't fire & no lights

easygoin4 on Mar 18, 2007

Apr 25, 2017 05:45 PM
by asherbeeson

6

9,649

Yamaha

1989, 225, 250, 350, 4x4, atv, fast, make, moto, moto4, owner, quad, reviews, speed, top, topa, yamaha, year

Top speed of a Yamaha Moto4?

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400EXrider02 on Mar 26, 2013

Apr 20, 2017 08:08 AM
by rider77

11

59,472

Yamaha

1993, 250, 93, atv, headlights, moto, parts, pic, reviews, timberwolf, timerwolf, whatthreadonstudisonyamahatimberwolf250, yahama, yamaha, year

Just picked up a 93 Timberwolf 250

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1 2)

bauerman on Jun 23, 2013

Dec 31, 2016 05:08 PM
by tom1987

15

30,414

Yamaha

2007, 493, 493cc, america, atv, cc, cf, cfmoto, chinese, engine, heard, hoss, moto, override, reverse, utv

CFMoto Reverse Override

familymanrx1 on Nov 21, 2010

Oct 30, 2016 04:02 PM
by jlwpapa

2

9,704

Other Makes

200, 200cc, atv, battery, identifing, location, moto, moto4, plastic, search, vin, wheeler, wheelers, yamaha, year

Help Identify Old Moto-4?

satburn on Apr 14, 2009

Oct 24, 2016 11:07 PM
by Metalmulisha71

6

63,488

Yamaha

50cc, 80, 80cc, air, atv, cc, dealerships, filter, kids, moto, plastic, project, quad, rider, spray, yamaha

new project - Yamaha Moto4 80cc

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1 2)

aaronrkelly on Apr 20, 2011

Jul 31, 2016 10:04 PM
by 410Customs

14

29,168

Kids Quads

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