Question about Sym Motorcycles

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Riding my sym then the engine cut out now wont start did this two days first day started again not today

The first time it broke dwn i check the plug then it started again then today thought it ws fine then broke dwn on way to work its turnig over but not firing up 62 plate bike

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  • Expert
  • 115 Answers

Check the coil if ok check rectifier and also fuel line.

Posted on Nov 19, 2014

Testimonial: "how can i check my coil iv found it"

  • jamiekeegan
    jamiekeegan Nov 19, 2014

    the bike cut out when i hit a pot hole in road its a 62 plate bike iv check the plug no spark iv even turn the engine over with my finger in the cap and didnt get a shock what can it be anyone help

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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Mitchy123
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SOURCE: aprilia rs 125 starting problem

First check the battery to see its still fully charged. If it is do a voltage drop test between the battery and the starter to check for a bad relay or open circuit. If that checks out, you very likely have a bad starter/solenoid. I can explain how to do these tests if u need me to

Posted on Nov 26, 2008

  • 1 Answer

SOURCE: yamaha yz125 wont start...

hello there guys, listen a top tip is when the engine's cold tip the bike almost right on its side nearly touching the floof, wait for the petrol to poor out of the carb over flow pipe, this should take a matter of a few seconds, stand the bike back up again and kick and that baby should start right up, if it does then you have a problem with your float, if it still doesn,t then take it to a shop and get them to check it out, hope this helps. regards sam

Posted on Jan 24, 2009

DickCanFixIt
  • 948 Answers

SOURCE: engine misfire and cutting out when running at normal engine temp

Make sure your fuel tank vent is not plugged. To see if this is the problem, the next time the bike starts acting up, stop and open the fuel tank. If you hear a whoosh of air being sucked in you know your vent is plugged.

The C8HA is still available, it is NGK stock number 2168.
Good luck.

Posted on Feb 20, 2009

  • 3567 Answers

SOURCE: cbr 125 choke problem

It sounds like the choke line may not have been routed correctly when the new one was installed. Remove the gas tank and check to see that the line is not being stretched anywhere along the way AND that the gas tank when re-installed is not stretching the line. The line may have been kinked when installed. Look at the mechanical movement of the choke at the carb. Does it operate freely? Remove the air filter and look inside the center of the carb, (you may need to use a small mirror for this), does it look like the choke is opening and closing properly when the choke is moved on and off?

Posted on Mar 14, 2009

  • 3567 Answers

SOURCE: timeing a yamaha 175 enduro

Without the year of the bike I am hampered. Lets assume it is an older bike and has a set of ignition points and not a CDI model.
.
Pull the cover off the shifter side of the engine. Remove the spark plug then turn the flywheel so you can see the points. Oil on them? Dirt, or rust? Next check the main bearing. Do not rotate the flywheel but instead hold the flywheel firmly and lift it up and down, left and right. Was there any movement or was the flywheel rock solid?
.
I am willing to bet that the points were dirty and there was a lot of play in the crank bearings. If so, you will need new crank bearings and seals plus new points and condenser. The engine needs to tear down into about 75 parts in order to replace the bearings. The job requires some special tools to remove the flywheel and clutch, plus a crankcase separator the split the gearbox.
.
This is not a job for the beginner. I suggest you have the shop do the work and also that you spring for 3 more bearings and seals plus a fresh cylinder bore, new piston and rings and a new spark plug. You now have a brand new engine that should run well and last for many years. Please rate this solution. Thanks

Posted on Mar 18, 2009

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1 Answer

Sym joyride 200 acceleration on uproads issue


Hi, Faris1234567 nice novella you may have carburetor issues and the usual suspects are:
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1 Answer

I have a 98 roadking it was runing fine and it cut off on me riding dwn the rd it fired back up later .next day it cranked fine wared up and I cut it off now it want start back I have checked for spark...


Hi Bugkiller30, when checking for spark the CKP needs to measure the compression bump in order to send the correct signal to the ICM/ECM so always check for spark with either a third plug grounded or lift the end of the plug boot 1/2 " off one of spark plugs that are in the head. and the usual suspects are:
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1 Answer

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SYM Jet Sport S50 Service Manual
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http://absolutelyscooterparts.net/pdf/CGEN_dawg_scooter_manual.pdf
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Sym Jet Euro Wikipedia

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