Where do i start?? please help.......

2764 Views 9 Replies 6 Participants Last post by robbie, Jun 11, 2010

robbie

Discussion Starter · Jun 10, 2010

hi all

im new to this site and new to bikes. ive been working on cars since i was 6 and know them back to front but bikes are a completely different ball game. a couple of months ago i purchased a cbr 250rr as my first bike. the bike was running really good and had no issues with it so i decided to put a tyga kit on it as the fairing kit on it was falling apart. a couple of weeks after putting the kit on the bike started playing up (i dont think it is related but feel like the tyga kit was a curse).

The first problem started with it not revving past 8k rpm. the bike just stopped taking power and felt like it was revving out on 8k on every gear. but from idle to 8000rpm the bike was fine

from day one the bike was idling on 2k and i was told that alot of these bikes do that and its not too much of an issue. so i left it at that but now it plays up every now and then where it will just up to 4000rpm on idle and a good rev would sometimes bring it back down to 2000

a week or so later a whistling sound started to appear and got louder the more throttle i used (sounds like when you put a pod filter on a car) or a hose could have come loose??. it makes that sound in gear and in neutral, cold or hot and in every gear.

theres also a knocking sound coming from the engine and the exhaust sounds really bad now sounds like it is coming from the RHS of the bike near where the oil dip stick is but cant be 100% sure.

and to make matters even worse you can feel an obvious vibration when riding that never used to be there before.

The front of the bike is alot stiffer now as well for some reason

I have no idea if any or all of these issues are related or not but any help you guys can give me would be greatly appriciated

Thanks

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dazz245

· #2 · Jun 10, 2010

I've heard this problem and it may be regulator/rectifier.
Check down the wires about 10cm from the connector that attaches to the rectifier to see if they are melted and replace reg/rect.
Don't trust me on this info though as I may be wrong!

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robbie

Discussion Starter · #3 · Jun 10, 2010

what is it that the reg/rect. does? i had to relocate it when i installed the tyga kit. had to put it near the battery. do they heat up much? because i relized that the original location of it was very well ventilated... where it is now it doesnt get any ventilation

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banana.logic

· #4 · Jun 10, 2010

there is a maintenance section on this forum, it has some very good info from some trustworthy people. check out this thread http://cbr250.com/forum/thread-289.html it deals with the reg/rec, and yes they get hot and need proper cooling to keep them working.

I didn't realise they needed to be relocated when a tyga kit was installed either.

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Hessian

· #5 · Jun 10, 2010

Install it on the outside of the fairing kit, make it ghetto

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robbie

Discussion Starter · #6 · Jun 10, 2010

banana.logic said:
there is a maintenance section on this forum, it has some very good info from some trustworthy people. check out this thread http://cbr250.com/forum/thread-289.html it deals with the reg/rec, and yes they get hot and need proper cooling to keep them working.

I didn't realise they needed to be relocated when a tyga kit was installed either.

thanks for the thread it helped me understand its purpose. i will check the wiring in the morning and make sure they havent melted. as for relocating it, (quoted off the tyga website) "The next task is to relocate the regulator. It needs to be removed because it will be in the way of the new seat cowling. Its new home is tucked under the fuel tank rear mount and mounting hardware is supplied in the kit to make the task easy"..... so i dont know what needs to be done in the means of cooling.... anyone out there with a tyga kit that took tyga's advice and relocated it next to the battery? and have u had any issues with it been there? might have to find somewhere else to put it.

Would any or most of the problems i have with the bike be related to the reg/rect. if it is faulty?[hr]

Hessian said:
Install it on the outside of the fairing kit, make it ghetto

mate if it is the problem and replacing it would fix all or most of the issues, ill bloody stick the stupid thing to my helmet.... now that ghetto[hr]
does anyone have any ideas about the high pitch / whistling sound im getting?i think all the other problems might be solved by replacing the reg /rect. also once replaced, does anyone know where a good place would be to relocate it? without throwing the tyga kit out and putting the standard fairings on

....

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phreak911

· #7 · Jun 10, 2010

Knocking and vibrations would probably be a loose chain, in my experience...

If it is developing several problems all at once (not completely uncommon for a machine around 20 years old) I would be taking it to the workshop to get one of the experienced mechanics to take a look at it. From the sounds of things, it needs a good thorough sorting out...
Explain to them exactly what you wrote in your post, they should be able to get a fairly good idea what's going on with your bike.

Oh, and congrats on joining the fraternity!

Good luck!

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robbie

Discussion Starter · #8 · Jun 11, 2010

phreak911 said:
Knocking and vibrations would probably be a loose chain, in my experience...

If it is developing several problems all at once (not completely uncommon for a machine around 20 years old) I would be taking it to the workshop to get one of the experienced mechanics to take a look at it. From the sounds of things, it needs a good thorough sorting out...
Explain to them exactly what you wrote in your post, they should be able to get a fairly good idea what's going on with your bike.

Oh, and congrats on joining the fraternity!

Good luck!

Thanks phreak I took your advice. I've booked it I'm with the guys at red baron in Liverpool. I don't know what the mechanics there are like but it's close to my house, unless someone on here knows a hood mechanic close to Liverpool that has goos feedback? They booked it in for me for Wednesday next week

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Lane

· #9 · Jun 11, 2010

If you have been working on cars for that long then you can fix 90% of things on your bike.... have a go mate. It's easy!

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robbie

Discussion Starter · #10 · Jun 11, 2010

Lane said:
If you have been working on cars for that long then you can fix 90% of things on your bike.... have a go mate. It's easy!

I'm more than confident to work on bikes, the experiense I'm lacking ( I think) is the knowledge in establishing what the problem is. I'm finding on bikes that alot of the issues caused are electrical and there are usually 101 reasons as to what could be causing that problem. I think with time as I get more knowledge I'll know where to start to look and find the cause. The repair side is easy for me.[hr]

dazz245 said:
I've heard this problem and it may be regulator/rectifier.
Check down the wires about 10cm from the connector that attaches to the rectifier to see if they are melted and replace reg/rect.
Don't trust me on this info though as I may be wrong!

i think you may be right dazz. have a look at the pics...

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