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Raptor engine

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Raptor engine

Post  guignard on Tue 27 Nov - 4:17

Does anyone know if a raptor engine will fit a townmate. Thanks Adrian

guignard

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Re: Raptor engine

Post  JohnW on Tue 27 Nov - 14:49

I would think it would, looks the same engine as fitted in the Japanese Domestic Market Townmate. But only has 3 speed gearbox and 12volt electric starter so some revision of wiring, bulbs etc would be needed as well as the correct CDI unit.
Not sure that Rapters are that common in UK, so you would be better sourcing a correct spec Townmate T80 engine.
Whats wrong with the one you have fitted?

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Re: Raptor engine

Post  guignard on Tue 27 Nov - 16:10

I'm restoring a t80 that has been standing for a few years. Really struggling with the clutch and the carb. Clutch had some corrosion cleaned it up but fitting the circlip is really difficult. Seems too much pressure but no parts changed only cleaned. And it will only rev with the coke on. Cleaned all jets ervc 3 times. Starts and ticks over fine. Was just thinking if I could find an engine would save myself grief. Raptor engine on eBay that's why I asked. After what you say I'll leave it
Thanks very much for your reply.

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Re: Raptor engine

Post  JohnW on Wed 28 Nov - 10:23

guignard wrote:I'm restoring a t80 that has been standing for a few years. Really struggling with the clutch and the carb. Clutch had some corrosion cleaned it up but fitting the circlip is really difficult. Seems too much pressure but no parts changed only cleaned. And it will only rev with the coke on. Cleaned all jets ervc 3 times. Starts and ticks over fine.  Was just thinking if I could find an engine would save myself grief. Raptor engine on eBay that's why I asked. After what you say I'll leave it
Thanks very much for your reply.

Clutch pates are readily available from Wemoto https://www.wemoto.com/bikes/yamaha/t_80_townmate/83-97 much better to sort out the engine you have as it seems basically sound. The problem with carb is not engine related.
The problem with 'lean' running may be a split pipe from the manifold to petrol tap, or petrol tap diaphragm may be leaking air into the system. To check remove pipe from manifold and seal off. Another piece of pipe with a bolt pushed into open end will do it, set the tap to PRIME other wise the fuel wont flow to carb. You say you have cleaned the jets in carb and that O ring is ok between carb and manifold, so not likely to be a gasket problem. There is only one gasket for float chamber which is available from A J Sutton https://www.ajsutton.co.uk/product/YAMAHA/22F141840000/GASKET,%20FLOAT%20CHAMBER&uid=0
The accelerator pump should be checked to see if plunger is free and correctly adjusted, but that will not really cause the problem you have, just maybe a hesitation when accelerating.

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Re: Raptor engine

Post  guignard on Wed 28 Nov - 10:41

Thanks for your quick reply. Think you are completely right about the vacuum pipe to the tap. About 11 o'clock last night I had a Eurika moment. I have been using a remote petrol bottle to feed the carb. This means that the pipe from the tap to the carb is disconnected. Didn't think to plug it so pretty sure that's my problem. Have ordered clutch plates so hope I'm on the right track. Can't believe I didn't think to plug the pipe. What a dipstick. Thanks again.

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