Desperate for help !!

Kable42 · Derestricted Danger Joined: 28 Jun 2015 Karma :

Hey every one i hope you can help im having a few issuses with my bike

Regal raptor DDE8 125 ( i know its not a great bike but it did the job)

So heres the problems im having the first thing i noticed is the bike wont find neutral anymore i can sometimes getting in N but theres no light to say that it is and i have to start the bike as if in gear

the second problem is the bike recently started to jerk like mad when im in my top gear it feels like its suddenly loosing power then gaining it then loosing it again sadly i cant say if this is at high rpm as i dont have anything to tell me what my rpm is and i was on a busyish road when it started so i did wanna risk playing about with it it rides fine in every other gear 1-4

now i have noticed that the oil is rather low i should have some more in by wednesday hopefully but could that be whats coursing the problem im having

im compeletly new to bikes and have no clue so please be as obvious as can be and explain with as much detail as possible please

thanks for any help you guys can give

Nay
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P.addy · Red Rocket Joined: 14 Feb 2008 Karma :

Don't ride with low oil. Got a pic of your chain and sprockets?

Vincent · Banned Joined: 16 Oct 2006 Karma :

Not finding neutral could be the clutch cable needs adjusting, you should have about 1mm freeplay on the cable, (I'm presuming it's a cable). If that doesn't sort it, check the actuator arm....the bit the end of the cable is conected to. They sometimes get put back wrong if removed for any reason.
Also check that your gear lever has a positive action and there's no "wibbly-wobblyness", (anyone previously experiencing "wibbly-wobblyness" will know exactly what I'm talking about).

As Paddy says, check the chain and sprockets for the jerky sensation.
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Kable42 · Derestricted Danger Joined: 28 Jun 2015 Karma :

This might sound daft but you mean the sprocket on the back wheel right? checked that and the chain and it seems okay to me also if it was ether of them wouldnt i get the jerking in all gears not just top?
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P.addy · Red Rocket Joined: 14 Feb 2008 Karma :

Kable42 · Derestricted Danger Joined: 28 Jun 2015 Karma :

not sure if theses are what your looking for also if take that part that im pointing to off would that help or should i leave that part alone?
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Fidge · Banned Joined: 04 Oct 2014 Karma :

possibly a short circuit somewhere in the wiring system, a dodgy battery or fuse.

Teflon-Mike · tl;dr Joined: 01 Jun 2010 Karma :

https://www.bikechatforums.com/download.php?id=95567
That is the drive sprocket cover.. take it off and all you will find behind is the other end of the chain and the small sprocket it goes round.

First OIL... DO NO ride this thing with low oil!!!! they dont like it. they only hold about a pint of the stuff and being a twin, it has to lubricate twice as many bits; being overhead cam, it also has to be delivered under pressure to the top of the engine. Running these things low on oil, is a recipe for a siezed cam or crank and major engine maledies.. so just DONT.. oil should only be a fiver or so for a litre, it dont need really fancy stuff, and that should be more than enough for three oil-changes, or a couple of changes and a fair few inbetweenie top ups. There is NO excuse for running these low on lube.

Second... OIL!... the clutch runs 'wet', inside the engine, in its engine oil. If the oil is old, then it gets 'thick' and wont help your clutch adjustment any. also, the Neutral lamp switch is inside the gearbox, in that same oil, and is a simple brass lever, that when in 'neutral' lines up with a brass pin in the crank case, and makes an 'earth' connection through the gear-shafts. If the oil is old and buggered, then either or, the moving contact is sliding over shit, not contact pin, and doesn't make circuit to make light come on.. or it does, but the crappy oil between bits of metal makes a high resistance return on the circuit so the bulb only gets half or less the volts it should.

The starting point for sorting out your problems here is to do a FULL SERVICE... starting with.... changing the oil!

While you are at it, you may like to look at your oil strainer and clean that; (Snowie's Helpful HOW2: change Oil & CLean strainer (Small Honda's +) )

AND you would probably henefit from checking your valve tappet clerances: (Snowie's Helpful HOW2: Adjust Tappets & CCT (Honda 'Benley' CB/CD/CM twin )

I know they say 'Honda'; The AJS Cruiserette thing is a Honda CM125 'Rebel' copy/derivative.. and uses the Benley engine, though I think that some later models use a 180 timed crank from the CB125 rather than the 360 timed one from the CM125.. If you need to work that one out, PM me.

AFTER an oil change and adjusting your tappets.. for which I can thoroughly reccoment the £3 special tappet tool of e-bay.... then replace the spark-plugs; clean, oil and tension your chain, oil and adjust clutch cable, and THEN get back to us with the results.

Chances are that your issues will all 'Service out'.. but if not, we'll be off to a much better start to work out what might be up, and where to look to put it to rights.
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Kable42 · Derestricted Danger Joined: 28 Jun 2015 Karma :

okay so i just had abit of a tinker around with it trying to get in into neutral and it went into neutral but didnt show it was there was no light on but i could let go of the clutch and the bike stayed running and if reved the bike wouldnt move so im sure that it was in neutral but when i knocked it on and off again it wouldnt start unless i pulled the clutch in
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Kable42 · Derestricted Danger Joined: 28 Jun 2015 Karma :

ok ill try changing the oil tomorrow if it gets here hopefully its just that as im not at home im currently a good 160 mile away and broke as hell and need to get back for next monday
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Teflon-Mike · tl;dr Joined: 01 Jun 2010 Karma :

Jgdin · Derestricted Danger Joined: 11 Jun 2014 Karma :

Chain tensioned correctly ?Seems to be a thing with chinese copies if the chain is slack neutral is a pig to find .Possibilty for the non starting when thought it was in neutral was it was actually between gears hence why it started with clutch pulled in (part of safety devices on starting circuit )

Kable42 · Derestricted Danger Joined: 28 Jun 2015 Karma :

just out of curiosity how would i go about tensioning the chain thought i wouldnt know if it was to loose or not i mean it looks okay
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P.addy · Red Rocket Joined: 14 Feb 2008 Karma :

Teflon-Mike · tl;dr Joined: 01 Jun 2010 Karma :

Kable42 · Derestricted Danger Joined: 28 Jun 2015 Karma :

okay cheers for all the help guys got a better pic of the chain and a video
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GaryJM · Borekit Bruiser Joined: 21 Dec 2004 Karma :

Just out of interest where are you ?
If one of us is close we might pop round and show you how to do some of these things
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So long and Thanks for all the fish !
Triumph Sprint GT SE.

Kable42 · Derestricted Danger Joined: 28 Jun 2015 Karma :

at the moment im in Ayrshire though i actually live back down in England Lancashire and have limited tools i have nothing for jacking the bike other then curbs
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P.addy · Red Rocket Joined: 14 Feb 2008 Karma :

Looks tight... possibly too tight and with you sat on it...

However can't say for sure.

Kable42 · Derestricted Danger Joined: 28 Jun 2015 Karma :

well the good news is that its booked in for a service on the 10th but i still need to able to get home on it
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Kable42 · Derestricted Danger Joined: 28 Jun 2015 Karma :

ok so ive changed the oil and the problem is still there the bike is definitely going into neutral its just not showing it is and wont start unless the clutch is in i havnt checked to see if its still jerking im going to wait till the roads are more quite
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delsol · World Chat Champion Joined: 12 Apr 2011 Karma :

Teflon-Mike · tl;dr Joined: 01 Jun 2010 Karma :

Kable42 · Derestricted Danger Joined: 28 Jun 2015 Karma :

just took it for a quick ride seems to be jerking worse i tried giving it more and less on the acceleration and nether made any difference =(
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Mark65 · World Chat Champion Joined: 16 May 2008 Karma :

Cush drive rubbers shagged?
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07 Yamaha YBR125, 07 Honda CG125 , 15 CBR300R (Chocolate Crank, Deaded), 16 CB500FA, 19 Honda Forza 300, 70 Suzuki SV650