| PartsForScooters.com Advice on chains: | ||||||||||
| The #35, #40, and BF05T are most common on large pocket bikes and choppers. The #25H is most common on scooters and the small 47cc pocket bike. Refer to the chart and image below to identify your chain. | ||||||||||
| Chain
Dimensions |
||||||||||
| (in
millimeters) |
||||||||||
| Name |
P |
d1 |
b1 |
d2 |
L |
h2 |
||||
| 25 |
6.35 |
3.3 |
3.18 |
2.31 |
7.9 |
6 |
||||
| 25H |
6.35 |
3.3 |
3.18 |
2.31 |
8.9 |
6 |
||||
| 219H |
7.774 |
4.59 |
5 |
3.01 |
11.9 |
7.4 |
||||
| BF05T |
8 |
4.71 |
4.61 |
3.05 |
11.48 |
7.6 |
||||
| 05B-1 |
8 |
5 |
3 |
2.31 |
8.2 |
7.1 |
||||
| 35 |
9.525 |
5.08 |
4.77 |
3.58 |
12.4 |
9 |
||||
| 40 |
12.7 |
7.95 |
7.85 |
3.96 |
16.6 |
12 |
||||
| 170GSX |
12.7 |
7.75 |
6.45 |
3.96 |
14.8 |
11.5 |
||||
| 81 |
12.7 |
7.75 |
3.5 |
3.66 |
9.3 |
9.8 |
||||
| 420 |
12.7 |
7.77 |
6.25 |
3.96 |
14.7 |
12 |
||||
| 428 |
12.7 |
8.51 |
7.75 |
4.45 |
16.7 |
11.8 |
||||
| 428H |
12.7 |
8.51 |
7.85 |
4.45 |
18.8 |
11.8 |
||||
| The table
above uses millimeters but if you need to convert millimeters to inches just divide� by 25.4 |
||||||||||
|
|
||||||||||