Replica Harris Yamaha TZ350 GP Lowline Special Frame Kit

We have delivered a number of these frame kits over the last two years and the customers are very pleased with the product. We have also been asked to supply a list of other engines capable of being fitted into this particular frame. At this time we have determined that all the air-cooled Yamaha R5 and RD series engines, plus the air-cooled TD and TR racing engines will bolt directly into the chassis in addition to the TZ 250/350 up to F/G models.

The RD 350 LC '81 and '82 engine, and the '83 to '89 US model RZ 350 (European RD 350 LC YPVS) engines, will also fit the frame with new engine mounts supplied.

Following are photographic details of two CMR kit bikes, complete with a step by step assembly of one of them.

CMR Replica Harris Yamaha TZ350 GP Lowline Special Frame Kit: PAGE 1 - page 2 - page 3

Here is a picture of a completed CMR Replica Harris Yamaha TZ350 GP Lowline Special owned by John Walters. He has used a complete Yamaha TZ350 F model and switched everything from the stock frame to the CMR Frame Kit. You can see the stock wheels and forks, the stock radiator and monoshock, stock rear brake assembly and seat. John has used a Vesco style 3-piece fairing and Vesco front fender, and Swarbrick expansion chambers and silencers (www.swarbrick-racing.co.uk)

Picture of the bike with the right-hand side lower fairing removed.

This picture shows Steve Shaw at speed on his CMR Replica Harris TZ350 GP Lowline Special. Steve's donor bike was a TZ350G model and here he is competing at Barber Raceway (www.barbermotorsports.com) in October 2007 together with TZ750s. He finished second... well done Steve! The bike has dual front discs and a stock TZ 350 fairing and seat, and also uses Swarbrick expansion chambers. Steve has period Dymag lightweight magnesium wheels on the bike.

Here Steve Shaw is putting his TZ together in his workshop using a CMR kit.

Detail of super-rigid steering head (Harris style). Note: 6 tubes attached to steering head, two top, two centre and two bottom.

Picture of foot-rest plate and rear subframe plus rear shock mounting on cantilever swingarm.

Detail of underslung rear brake caliper and bracket with spherical rod-end torque arm, plus Seeley style rear wheel adjustment. Note: main swing-arm tube is 1.5 inch diameter.

Bare frame and swing-arm with all mounting hardware and new lower rear engine mounting bushings. This frame has the foot-rest tubes in place, and the expansion chamber mounting bracket.

The CMR aluminum gas-tank with new Monza 2.5 inch diameter gas cap sitting in the frame.

Details of the 2 foot-rest options are shown here: the tubular stock position and the two bobbins for aluminum foot rest plates which enable adjustable footrest positions.

Picture of the CMR frame and swingarm as supplied in unpainted form

BACK To the Road-racing Frames Page