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by Geoff Hastings
Sat Sep 02, 2017 5:44 am
Forum: Carburation - Fuel
Topic: Inlet manifold insulator
Replies: 32
Views: 11018

Carb insulator

Hi Steve, oil is brand new 20/50 and the engine has been stripped and rebuilt but only the starter clutch and cam chain was renewed. Everything else seemed good enough although I did find the previous owner had left out the oil baffle from the head so I had oil pumping out of the breather. The clutc...
by Geoff Hastings
Fri Sep 01, 2017 11:29 am
Forum: Carburation - Fuel
Topic: Inlet manifold insulator
Replies: 32
Views: 11018

Thanks a lot Graham, The photos really explain a lot, I definitely don't have the correct insulator fitted which might explain the slight hesitancy I get at small throttle openings. I've only just got it on the road and need to adjust to 50 year old brakes and not a lot of power. Surprisingly though...
by Geoff Hastings
Fri Sep 01, 2017 10:40 am
Forum: Carburation - Fuel
Topic: Inlet manifold insulator
Replies: 32
Views: 11018

Carb insulator

Thanks Graham, I intend on riding the bike this weekend so have just put the carb back on. I've managed to offset the existing insulator so it covers the o ring but will take the carb back off on Monday. Another question while I'm here, when timing the engine using a strobe, which of the two marks s...
by Geoff Hastings
Fri Sep 01, 2017 8:43 am
Forum: Carburation - Fuel
Topic: Inlet manifold insulator
Replies: 32
Views: 11018

Carb insulator

DJM They are highly distinguishable from the 'normal' CB72/77 with that little cut-out and hole. David Silver claims he can get them and is selling at £7 if yours is not the real deal. G Thanks G man, Just phoned David Silver and they tell me my bike is 1964 but the Vintage Japanese motorcycle club...
by Geoff Hastings
Fri Sep 01, 2017 3:48 am
Forum: Carburation - Fuel
Topic: Inlet manifold insulator
Replies: 32
Views: 11018

Carb insulator

Hi there DJM, If It's the right one Id be happy to buy it off you. The ones I've seen on eBay America have a semi circular groove on one side and what appears to be a tiny hole drilled through the larger inlet hole. The one the previous owner has fitted has the right size inlet hole but the flange i...
by Geoff Hastings
Wed Aug 30, 2017 5:56 am
Forum: Carburation - Fuel
Topic: Inlet manifold insulator
Replies: 32
Views: 11018

Carb insulator

Whatever insulator you end up using, better check it for flatness. Had mine off a while back and discovered that it was warped. Thanks Nick, always worth checking including the carb flange for distortion. I've had a closer look at the pictures on eBay and it would appear that there is also a tiny h...
by Geoff Hastings
Tue Aug 29, 2017 6:05 pm
Forum: Carburation - Fuel
Topic: Inlet manifold insulator
Replies: 32
Views: 11018

Re: Inlet manifold insulator

Not to ponder what and why. You need to get the spacer made by HONDA for that DREAM engine and go from there. .............lm I've just been investigating the general lack of get up and with my CA77 and found the inlet insulator is too small, it does not cover the o-ring properly. I looked at a cou...




 

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