SOHC.co.uk Forums > CB350/400
airbox/carb and carb/manifold rubbers
Matt_Harrington:
I bought a set from DS at the beginning of the year. They are relatively soft and make fitting the airbox to the carbs a doddle compared ot the hardened ones that they end up to be. Can't find the receipt for the ones I bought....
AshimotoK0:
After softening inlet rubber for loads of other people over the years I actually did some for my own 400F a couple of weeks back ... .. They turned out really good after being quite hard initially.
Problem is I can't get the chemical any more as my industrial source has stopped trading.
This was the stuff https://lanxess.com/en/Products-and-Brands/Products/r/REOFOS--50
This was the original 750K7 one I did about 10 years back
https://www.youtube.com/shorts/Y1kVSlLnR8k
Matt_Harrington:
Ooh, Ash, tell us more!!
AshimotoK0:
--- Quote from: Matt_Harrington on September 29, 2023, 01:04:51 PM ---Ooh, Ash, tell us more!!
--- End quote ---
Told lots of times on here about 16 hours immersion at 70°C in bath of Reofos 50 as in links above.
As I said though the place I got it from bought it in massive drums for rubber/plastic processing and I used to cadge a litre or so off them but they their factory in Hull closed earlier this year. I have enough 'in-stock' to do my own bikes but sadly I can't do other members any more.
Mikep328:
Checked with DS today and they are out of stock of the airbox to manifold rubbers. They suggested to check back in a month. Again, mine are not all that bad - they are somewhat supple though, as I said, the clamps have to be fully tightened to their limit and you can still slide the airbox back/forth on the carbs. The manifold rubbers look/feel/sound like plastic! DS has those in stock - genuine or aftermarket.
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