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H2 Testing

Posted by Andy C <iframe src='https://members5.boardhost.com/classicbikemart/info/user=Andy+C' width='330' height='300' border=0 style='border:none;'> on April 18, 2026, 6:16 pm

The results are in.

At first it was blubbering until you gave it a big handfull, after fiddling with carb settings I ended up with air screws open 2 turns, needle down one notch from stock and it seemed to run pretty well, and surprisingly very little surging.

With the needles in the stock position it was blubbering at low throttle. Possibly the K&N filter is affecting carburation as I would say it is bit more restrictive than the stock filter.

Hopefully tomorrow I can take it for a longer run and see how it goes.

So far pretty happy with the results, although the clutch is very rattly on idle, rattle stops when you pull the clutch so guessing worn basket / clutch plates, no signs of any slipping.

If the clutch basket is worn then it is probably not the low mileage it might have been.

Ah well, it stops it starts it rides......

Who needs a signature anyway......

Re: H2 Testing

Posted by 6TDen <iframe src='https://members5.boardhost.com/classicbikemart/info/user=6TDen' width='330' height='300' border=0 style='border:none;'> on April 18, 2026, 6:19 pm, in reply to "H2 Testing"

Great news Andy, long may it continue.
Den

Re: H2 Testing

Posted by DBDBrian <iframe src='https://members5.boardhost.com/classicbikemart/info/user=DBDBrian' width='330' height='300' border=0 style='border:none;'> on April 18, 2026, 6:32 pm, in reply to "Re: H2 Testing"

All good after a few tweaks then Andy, plenty of time for fine tuning.

Brian
Made In England

Re: H2 Testing

Posted by Andy C <iframe src='https://members5.boardhost.com/classicbikemart/info/user=Andy+C' width='330' height='300' border=0 style='border:none;'> on April 18, 2026, 6:44 pm, in reply to "Re: H2 Testing"

Indeed, I always expected to have to do some fine tuning.

They are very sensitive to carb settings.

Pretty pleased with things so far.

Brakes are not really up to the performance of the engine though so I will be doing a front disk upgrade the same as I did with my last H2 - disk from a modern Triumph and and a Suzuki SVV650 caliper.

I already have all the bits I need including a special caliper mount and disc spacer as I made them for the last H2 as I was going to go double discs but you dont need the doubles.

The single disc gives it real stopping power.

Dont care that it deviates from the stock setup, stopping is more important than originality.

Who needs a signature anyway......

Re: H2 Testing

Posted by geoff the bonnie <iframe src='https://members5.boardhost.com/classicbikemart/info/user=geoff+the+bonnie' width='330' height='300' border=0 style='border:none;'> on April 18, 2026, 9:12 pm, in reply to "Re: H2 Testing"

Now have a wheelie good time.

Re: H2 Testing

Posted by Andy C <iframe src='https://members5.boardhost.com/classicbikemart/info/user=Andy+C' width='330' height='300' border=0 style='border:none;'> on April 19, 2026, 7:26 am, in reply to "Re: H2 Testing"

I'll need to get a lot of miles under it's tyres before I think of doing that !!

Who needs a signature anyway......

Re: H2 Testing

Posted by JERRY <iframe src='https://members5.boardhost.com/classicbikemart/info/user=JERRY' width='330' height='300' border=0 style='border:none;'> on April 20, 2026, 2:48 pm, in reply to "H2 Testing"

Andy is it a dry clutch? if so it will rattle.

The oldest rocker in town!

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