I recently rebuilt a 1960's model 350 Jawa 2
Ken,
I think you have gone as far as you can with what you have. A damn clever job by the way. The issues you run into with the 2 ring vs. 3 ring piston on your bike is piston slap as the skirt length changes with a 2 ring setup.
Catalytic Converters
Motorbikes built since the 1990's more often have catalytic converters than those prior to this time. In countries throughout the world there have been studies regarding the impact of 2-stroke and 4-stroke motorbike exhaust contaminants into the air. The conclusion has pretty much been a change in policy requiring the inclusion of catalytic converters be an added feature on these motorbikes.
From all I read it appears most manufacturers have included catalytic converters on 2-stroke and 4 stroked motorbikes for quite sometime. The majority of these motorbikes sold today, will have a catalytic converter. In the event you find one without a converter, if would probably not be a good idea to purchase it.
An older 2-stroke or 4-stroke motorbike, probably could have a catalytic converter added, although it might be expensive to do this.,,,
Catalytic Converters
Motorbikes built since the 1990's more often have catalytic converters than those prior to this time. In countries throughout the world there have been studies regarding the impact of 2-stroke and 4-stroke motorbike exhaust contaminants into the air. The conclusion has pretty much been a change in policy requiring the inclusion of catalytic converters be an added feature on these motorbikes.
From all I read it appears most manufacturers have included catalytic converters on 2-stroke and 4 stroked motorbikes for quite sometime. The majority of these motorbikes sold today, will have a catalytic converter. In the event you find one without a converter, if would probably not be a good idea to purchase it.
An older 2-stroke or 4-stroke motorbike, probably could have a catalytic converter added, although it might be expensive to do this.,,,
Supercharger
There are a number of companies that specialize in making superchargers. The best is Magnachargers. Apart from this company there are other players like Vortech TTS,,
Chain lubricant
Most are spray mate but I have used chainsaw oil in the past its very good easy to clean off if it flings and I just used to put it on the chain with an old paint brush.,,,
Tire change
I'm new and I see peeps changing their tires on this forum around 5000 miles or so . Maybe a stupid question but how do you tell? Obviously if you don't ride much and have some dry rot goin' on would be definitely a good time to change. Is there a typical measurement of tread showing that will tell me when it's time to change?Hey Dave. If you look at your tires between the treads there are little raised tread wear indicators. When the tread wears down far enough to make those indicators touch the road it is about time. The exception this is the Metzler Z6, the tread wear indicators are really tough to find on those.
You will find that mileage will vary greatly. I seem to get about 3000 miles out of Sport tires and was only getting abut 4000 or so out of sport touring tires. Some guys here seem to get double that or more. I think that mileage will be dictated by terrain you ride, the pavement type (very course here) and your right hand.,,,
Clutch
you need a micrometere or vernier caliper to measure how thick they are that how you tell how worn the clutch is. the manual will list the specificational limit (how thin you should allow them to get and how do the basket and innser hub looks like). if they have small teeth on them they are worn.,
Handlebar hight
you might want to try some Arrow Fly Taper bars. They work with the stock mounts and should add a couple of inches to the height of the bars. They are really nice to ride with and are alot less expensive that Protapers.
Chain lubricant
Most are spray mate but I have used chainsaw oil in the past its very good easy to clean off if it flings and I just used to put it on the chain with an old paint brush.,,,
Handlebar hight
you might want to try some Arrow Fly Taper bars. They work with the stock mounts and should add a couple of inches to the height of the bars. They are really nice to ride with and are alot less expensive that Protapers.
Winter storage
what to do with fluids?If your brake fluid is in need of changing do so before long-term storage. Similarly hydraulic clutch fluid should be changed before you store your bike; both systems may suffer failure if moisture gets in.
Also make sure your coolant is fresh, as deposits can form from old fluid. For service intervals, consult your owner's manual.,,,
Winter storage
what to do with fluids?If your brake fluid is in need of changing do so before long-term storage. Similarly hydraulic clutch fluid should be changed before you store your bike; both systems may suffer failure if moisture gets in.
Also make sure your coolant is fresh, as deposits can form from old fluid. For service intervals, consult your owner's manual.,,,
Handlebar hight
you might want to try some Arrow Fly Taper bars. They work with the stock mounts and should add a couple of inches to the height of the bars. They are really nice to ride with and are alot less expensive that Protapers.
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