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Need a Pre 1982 Frame to swap into Honda CD250U - Any ideas?

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HondaCityExpr...
Borekit Bruiser



Joined: 29 Aug 2021
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PostPosted: 07:39 - 28 Oct 2022    Post subject: Need a Pre 1982 Frame to swap into Honda CD250U - Any ideas? Reply with quote
Hey,

I'm looking into swapping the frame of my Honda CD250u to be ULEZ compliant, which will also reduce insurance, tax and MOT costs, so I 'think' it's worth it if I keep the bike for many years.

Just wondering which donor frame would be best to use? Will any pre 1982 frames be a straight swap? It's a twin exhaust setup.

Cheers
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P.addy
Red Rocket



Joined: 14 Feb 2008
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PostPosted: 10:20 - 28 Oct 2022    Post subject: Reply with quote
Hi again autist.

Just put in for the ULEZ test. It'll probably be fine.

Its not worth it, but you know that already.

Quote:
which will also reduce insurance, tax and MOT costs


Leaving as 1982 will, its probably/close to MOT/Tax exempt and insurance on it is like £50. Touching it, with those retarded fingers, will devalue it.
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redeem ouzzer
World Chat Champion



Joined: 06 Oct 2015
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PostPosted: 10:46 - 28 Oct 2022    Post subject: Reply with quote
The CD250U engine will swop with the CD185 and 200, however if you were starting with a bare frame I have zero idea what issues you might have fitting the CD250 tank / seat / electrical bits onto the older frame.

It would probably be easier to buy a complete CD185 or 200 and swop the engine and better bits from yours onto it. But Paddy is correct, it's a fairly pointless exercise in terms of cost / effort against return.
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HondaCityExpr...
Borekit Bruiser



Joined: 29 Aug 2021
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PostPosted: 11:46 - 28 Oct 2022    Post subject: Reply with quote
Paddy. wrote:
Hi again autist.

Just put in for the ULEZ test. It'll probably be fine.

Its not worth it, but you know that already.

Quote:
which will also reduce insurance, tax and MOT costs


Leaving as 1982 will, its probably/close to MOT/Tax exempt and insurance on it is like £50. Touching it, with those retarded fingers, will devalue it.


Thanks for continuing to be a bully, hope you feel big and strong
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Easy-X
Super Spammer



Joined: 08 Mar 2019
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PostPosted: 12:02 - 28 Oct 2022    Post subject: Reply with quote
You want to make it into a vintage bike to skip CC/ULEZ?
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Ste
Not Work Safe



Joined: 01 Sep 2002
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PostPosted: 12:03 - 28 Oct 2022    Post subject: Reply with quote
Does this mean you've passed your test?
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HondaCityExpr...
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Joined: 29 Aug 2021
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PostPosted: 12:03 - 28 Oct 2022    Post subject: Reply with quote
redeem ouzzer wrote:
The CD250U engine will swop with the CD185 and 200, however if you were starting with a bare frame I have zero idea what issues you might have fitting the CD250 tank / seat / electrical bits onto the older frame.

It would probably be easier to buy a complete CD185 or 200 and swop the engine and better bits from yours onto it. But Paddy is correct, it's a fairly pointless exercise in terms of cost / effort against return.


Thanks for the info on those models, yeah I've calculated it's £100 a year lower on insurance, £44 tax, £40 MOT, so that's £184 a year saving, plus £175 ULEZ testing which there's no guarantee it will pass. So keep the bike 5.5 years and it's paid for itself. So to me personally, that's worth it IF I can find a suitable candidate that's an easy swap, that's the unknown and I won't do it unless I'm confident it's an easy job.
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HondaCityExpr...
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Joined: 29 Aug 2021
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PostPosted: 12:04 - 28 Oct 2022    Post subject: Reply with quote
Easy-X wrote:
You want to make it into a vintage bike to skip CC/ULEZ?


Exactly yeah, I don't make the ridiculous rules haha
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redeem ouzzer
World Chat Champion



Joined: 06 Oct 2015
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PostPosted: 12:09 - 28 Oct 2022    Post subject: Reply with quote
Ste wrote:
Does this mean you've passed your test?


^^
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WD Forte
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PostPosted: 12:52 - 28 Oct 2022    Post subject: Reply with quote
There ya go, slot straight in easy peasy £275

https://www.ebay.co.uk/itm/165292504415?

https://i.ebayimg.com/images/g/Q~cAAOSwl6dh6UdR/s-l1600.jpg
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MarJay
But it's British!



Joined: 15 Sep 2003
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PostPosted: 13:00 - 28 Oct 2022    Post subject: Reply with quote
HondaCityExpress wrote:


Thanks for the info on those models, yeah I've calculated it's £100 a year lower on insurance, £44 tax, £40 MOT, so that's £184 a year saving, plus £175 ULEZ testing which there's no guarantee it will pass. So keep the bike 5.5 years and it's paid for itself. So to me personally, that's worth it IF I can find a suitable candidate that's an easy swap, that's the unknown and I won't do it unless I'm confident it's an easy job.


So... I assume... those calculations include telling the insurance company that you've put an engine from one bike into the frame of another? They tend to take a pretty dim view of that kind of thing.
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Nobby the Bastard
Harley Gaydar



Joined: 16 Aug 2013
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PostPosted: 13:25 - 28 Oct 2022    Post subject: Reply with quote
As he's still not said if he has passed his test (so probably hasn't) I doubt he will.
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redeem ouzzer
World Chat Champion



Joined: 06 Oct 2015
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PostPosted: 13:59 - 28 Oct 2022    Post subject: Reply with quote
¿has aprobado tu examen de conducir?

avez-vous réussi votre examen de conduite ?

hast du deine Fahrprüfung bestanden?

ты сдал экзамен по вождению?

あなたは運転免許試験に合格しましたか？

hai superato l'esame di guida?

Or if you do actually speak English -

HAVE YOU PASSED YOUR TEST YOU FUCKING AUSTISTIC RETARD?
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HondaCityExpr...
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Joined: 29 Aug 2021
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PostPosted: 14:00 - 28 Oct 2022    Post subject: Reply with quote
MarJay wrote:
HondaCityExpress wrote:


Thanks for the info on those models, yeah I've calculated it's £100 a year lower on insurance, £44 tax, £40 MOT, so that's £184 a year saving, plus £175 ULEZ testing which there's no guarantee it will pass. So keep the bike 5.5 years and it's paid for itself. So to me personally, that's worth it IF I can find a suitable candidate that's an easy swap, that's the unknown and I won't do it unless I'm confident it's an easy job.


So... I assume... those calculations include telling the insurance company that you've put an engine from one bike into the frame of another? They tend to take a pretty dim view of that kind of thing.


That's actually a very good point, I've not actually thought about that, if it's a 250cc going into a 250cc frame, is it not a simple like for like engine change? New for old, just inform the DVLA for the new engine code on the V5? Or would it be seen as a custom bike and need specialist insurance?

Thanks for that, Definitely worth a call to the insurance company, thanks for the heads up.
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HondaCityExpr...
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Joined: 29 Aug 2021
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PostPosted: 14:05 - 28 Oct 2022    Post subject: Reply with quote
WD Forte wrote:
There ya go, slot straight in easy peasy £275

https://www.ebay.co.uk/itm/165292504415?

https://i.ebayimg.com/images/g/Q~cAAOSwl6dh6UdR/s-l1600.jpg


Thank you! How confident are you that the CB250 frames are a straight bolt for bolt engine change? On another forum I'm getting told the CB125T is a better fit as the CB250 engines are bigger than my CD250u? Is that right?
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HondaCityExpr...
Borekit Bruiser



Joined: 29 Aug 2021
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PostPosted: 14:07 - 28 Oct 2022    Post subject: Reply with quote
WD Forte wrote:
There ya go, slot straight in easy peasy £275

https://www.ebay.co.uk/itm/165292504415?

https://i.ebayimg.com/images/g/Q~cAAOSwl6dh6UdR/s-l1600.jpg


Actually I remember now, I looked at that listing before and my frame doesn't have the two bottom supports on the frame, just the down tube, so definitely a different engine mounting to mine
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Ste
Not Work Safe



Joined: 01 Sep 2002
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PostPosted: 14:28 - 28 Oct 2022    Post subject: Reply with quote
How is this going to work with your A1 license? Confused

You shoe horned a 100cc engine into a 125cc frame so you could do the A1 test without having an appropriate bike, I'm intrigued as to where the CB250 fits in the master plan.

Rain
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MarJay
But it's British!



Joined: 15 Sep 2003
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PostPosted: 14:29 - 28 Oct 2022    Post subject: Reply with quote
HondaCityExpress wrote:

That's actually a very good point, I've not actually thought about that, if it's a 250cc going into a 250cc frame, is it not a simple like for like engine change? New for old, just inform the DVLA for the new engine code on the V5? Or would it be seen as a custom bike and need specialist insurance?


Who you trying to convince? Yourself? obviously if you put an engine in a bike that was not originally designed for that engine, it's a custom and the insurance will load your premium to the moon. Your 'solution' is not really a solution.
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Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.
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Nobby the Bastard
Harley Gaydar



Joined: 16 Aug 2013
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PostPosted: 14:30 - 28 Oct 2022    Post subject: Reply with quote
What, the A1 license he insisted was right for him because he didn't want a bigger bike despite us all telling him it was a complete waste of fucking time?
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HondaCityExpr...
Borekit Bruiser



Joined: 29 Aug 2021
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PostPosted: 14:56 - 28 Oct 2022    Post subject: Reply with quote
MarJay wrote:
HondaCityExpress wrote:

That's actually a very good point, I've not actually thought about that, if it's a 250cc going into a 250cc frame, is it not a simple like for like engine change? New for old, just inform the DVLA for the new engine code on the V5? Or would it be seen as a custom bike and need specialist insurance?


Who you trying to convince? Yourself? obviously if you put an engine in a bike that was not originally designed for that engine, it's a custom and the insurance will load your premium to the moon. Your 'solution' is not really a solution.


My skills will only go as far as a bolt for bolt transplant so my plan was mostly based on putting it into a frame that is designed for a 250cc and therefore I assumed engines die all the time and get replaced and again assumed that's a totally legit thing to do... Am I making incorrect assumptions?

Research is pointing towards it being a CD200 or CB225T or 185 frame and therefore yeah, that would be a change in engine for the V5 and insurance and likely not worth the effort if I get bad news from the insurance company. But is a 250cc into a 250cc frame not a pretty standard thing to do when an engine dies? That's why we have VINs and that being directly related to the V5 instead of the engine which is more likely to be scrapped along the way.

Happy to be advised otherwise, these are just my assumptions.
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MarJay
But it's British!



Joined: 15 Sep 2003
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PostPosted: 14:59 - 28 Oct 2022    Post subject: Reply with quote
HondaCityExpress wrote:

Research is pointing towards it being a CD200 or CB225T or 185 frame and therefore yeah, that would be a change in engine for the V5 and insurance and likely not worth the effort if I get bad news from the insurance company. But is a 250cc into a 250cc frame not a pretty standard thing to do when an engine dies? That's why we have VINs and that being directly related to the V5 instead of the engine which is more likely to be scrapped along the way.

Happy to be advised otherwise, these are just my assumptions.


I've given you the answer, if you choose to ignore it that's your lookout. Engines change between models. Putting a different design of single cylinder 250cc engine in a frame is NOT a like for like swap, and therefore is a custom built bike.
____________________
British beauty: Triumph Street Triple R; Loony stroker: KR1S; Track fun: GSXR750 L1; Commuter Missile: GSX-S1000F; Cheap project: CBR900RR FireBlade
Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.
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HondaCityExpr...
Borekit Bruiser



Joined: 29 Aug 2021
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PostPosted: 15:13 - 28 Oct 2022    Post subject: Reply with quote
MarJay wrote:
HondaCityExpress wrote:

Research is pointing towards it being a CD200 or CB225T or 185 frame and therefore yeah, that would be a change in engine for the V5 and insurance and likely not worth the effort if I get bad news from the insurance company. But is a 250cc into a 250cc frame not a pretty standard thing to do when an engine dies? That's why we have VINs and that being directly related to the V5 instead of the engine which is more likely to be scrapped along the way.

Happy to be advised otherwise, these are just my assumptions.


I've given you the answer, if you choose to ignore it that's your lookout. Engines change between models. Putting a different design of single cylinder 250cc engine in a frame is NOT a like for like swap, and therefore is a custom built bike.


OK fair enough, probably not worth the effort then but I'll give the insurance company a ring just to double check as maybe I'll get lucky with their individual policy. Thanks for the heads up
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HondaCityExpr...
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Joined: 29 Aug 2021
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PostPosted: 15:28 - 28 Oct 2022    Post subject: Reply with quote
MarJay wrote:
HondaCityExpress wrote:

Research is pointing towards it being a CD200 or CB225T or 185 frame and therefore yeah, that would be a change in engine for the V5 and insurance and likely not worth the effort if I get bad news from the insurance company. But is a 250cc into a 250cc frame not a pretty standard thing to do when an engine dies? That's why we have VINs and that being directly related to the V5 instead of the engine which is more likely to be scrapped along the way.

Happy to be advised otherwise, these are just my assumptions.


I've given you the answer, if you choose to ignore it that's your lookout. Engines change between models. Putting a different design of single cylinder 250cc engine in a frame is NOT a like for like swap, and therefore is a custom built bike.


Looking at my insurance company's website, they say "An example of an unacceptable modification is an engine mod resulting in a change of the bike's cc", if it was any engine swap I'm sure they would have stated that, I'll give them a call over the weekend to clarify but hopefully in this specific case you might be wrong, fingers crossed.
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P.addy
Red Rocket



Joined: 14 Feb 2008
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PostPosted: 20:17 - 28 Oct 2022    Post subject: Reply with quote
It's not just that, but I'm sure you know everything. Man's going back on the enemy list as you clearly haven't stopped sniffing glue and eating dirt.
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Bhud
World Chat Champion



Joined: 11 Oct 2018
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PostPosted: 14:12 - 29 Oct 2022    Post subject: Reply with quote
Don't proceed with this harebrained plan.

It will all end up as a pile of junk on Ebay.
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