SOHC.co.uk Forums > CB750

Bad Fit Silencer

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JamesH:
The repro HM341’s are way more of a struggle to fit than either genuine Honda pipes or the HM300’s from Yamiya.

Don't expect a simple slide on / perfect fit/alignment (sadly).

In my experience you have to really ’fight’ them into place.

Unfortunately they will be under tension initially, but after a few heat cycles they generally seem to adopt the new position.

Plenty of other forum members have fitted them so would be good to hear other opinions..

Anyone else care to chime in?

Laverda Dave:
Although not DSS 750 pipes, I bought a complete 400/4 system from DSS and it was an absolute pig to fit. The collector was hard pressed against the sump pan and I thought it was never going to fit but eventually and after taking it slowly and with some manipulation it fitted. I expect the 750 system is similar so keep trying.

Nurse Julie:
We have had serious struggles with DSS repro pipes, defo a 2 person job with plenty of swearing but got there in the end. Strange, because the CMSNL repro pipes are easier to fit but I thought they all came from the same manufacturer. Maybe DSS sells CMSNL's rejects.

fryerk:
I agree with James they are a bugger to fit but again with a little patience (not my strong poont) and a bit of persuasion and willing they do go on. Make sure they are fully home on the flange at the head as I’ve found that makes a huge difference if one isn’t quite home

philward:
Its a few years since I fitted a set of CSML repos to my K2 - they'e supposed to be from the same source from memory. I remember really struggling to get the rear mounts to line up but they did fit with much struggling and grumpyness

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