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Makotosun

Pop, bang, splutter

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Replied by Pete-RT1 on topic Pop, bang, splutter

Definitely do it yourself, plenty of knowledge here if you get stuck.
You'll need a flywheel holding tool too.
I have one like this and it's fine  www.amazon.co.uk/Spanner-Adjustable-Flyw...&smid=A3J684ZPRFOOU3
 
Yamaha CT1 007
Yamaha CT1-B The Greenie
Yamaha CT1-B The Doppelgänger
Yamaha CT1-C
Yamaha AT1-C
2020 Honda CB500X
19 May 2022 13:22 #31

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Replied by DT-Steve985 on topic Pop, bang, splutter

I’ve just purchased a flywheel removal puller and it should be delivered tomorrow. I have a flywheel holding tool (I think) 

Does anyone know the gap setting? And also do you know if there are timing marks or just get it to TDC? 
19 May 2022 13:29 #32

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Replied by Pete-RT1 on topic Pop, bang, splutter

Points gap 0.3mm - 0.4mm
Timing 1.8mm B.T.D.C.

I still think you need to pull the flywheel and check that the crank seal is still in correctly.
My CT1-B (The Greenie) was running sweet as anything and easy to start until it wasn't because the mag side crank seal had pushed out.

Here's the service manual, which should help you.
www.yamaha-enduros.com/index.php/service...vice-manual/download

Good luck
Yamaha CT1 007
Yamaha CT1-B The Greenie
Yamaha CT1-B The Doppelgänger
Yamaha CT1-C
Yamaha AT1-C
2020 Honda CB500X
The following user(s) Liked this Post: RT325
Last edit: 19 May 2022 16:27 by Pete-RT1.
19 May 2022 15:41 #33

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Replied by RT325 on topic Pop, bang, splutter

Thought i said check the crank key at the start of this issue, so gotta be done. Yep post #7 so lets know. Sorry, that sounds a bit grumpy--i'll re-phrase--i'll stick to my guess of crank key & hope that's all it is. & check the crank seal while ya in that area incase its popped out of the case although the back of the plate might sit close enough to stop that--guessing.
Last edit: 19 May 2022 16:06 by RT325.
19 May 2022 15:43 #34

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Replied by DT-Steve985 on topic Pop, bang, splutter

Pete as always thank you, and thank you for the link. 
RT325 I will define checking the woodruff key and will let you know. 
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19 May 2022 23:15 #35

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Replied by DT-Steve985 on topic Pop, bang, splutter

 Update:

points cleaned and set and it goes like hot snot. 
thank you everyone for your input and help. This is how I expected the bike to go, revs through all gears and doesn’t stop. Before it maxed at 50mm and it now pulls straight past that. 

RT325 the woodruff key hadn’t slipped just the points plate. 
The following user(s) Liked this Post: Gr8uncleal, Pete-RT1, Tom P
21 May 2022 05:58 #36

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Replied by Gr8uncleal on topic Pop, bang, splutter

That's great news and thanks for the update.
21 May 2022 06:51 #37

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Replied by Tom P on topic Pop, bang, splutter

Great news!

However it looks like you're missing he felt lubricator block. It's above the green mark in this picture. It keeps the cam lubricated so the rubbing block on the points doesn't wear down.

 
21 May 2022 07:20 #38

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Replied by DT-Steve985 on topic Pop, bang, splutter

Tom can you purchase these and just fit them or do you require the full coil set? 
21 May 2022 07:36 #39

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Replied by Tom P on topic Pop, bang, splutter

I think you would be able to just buy the felt wick, but I haven't looked yet. It might come as an assembly with the little bracket it goes into. If it's not available, maybe there's a way to improvise one?

 I just checked, and every place I looked it's unavailable. It's number 11 in this diagram, part number 207-81331-10-00
 
 
Last edit: 21 May 2022 08:06 by Tom P.
21 May 2022 07:50 #40

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